Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

A. Lopes · SciRah

Researcher profile · Semantic Scholar

A. Lopes

Share profile

A. Lopes — researcher profile on SciRah

h-index: 18
Works: 74
Citations: 1,291

Most-cited papers

Helicobacter pylori infection - recent developments in diagnosis.
A. Lopes, F. F. Vale, M. Oleastro
2014World Journal of Gastroenterology151 citations
Semantic Scholar
Features and trends in Helicobacter pylori antibiotic resistance in Lisbon area, Portugal (1990-1999).
J. Cabrita, M. Oleastro, R. Matos, A. Manhente +6 more
2000Journal of Antimicrobial Chemotherapy151 citations
Semantic Scholar
CFTR Cl- channel function in native human colon correlates with the genotype and phenotype in cystic fibrosis.
S. Hirtz, T. Gonska, H. Seydewitz, Jörg Thomas +11 more
2004Gastroenterology135 citations Open access
Semantic Scholar
Microsatellite variation and evolution of human lactase persistence
Margarida C. Coelho, D. Luiselli, G. Bertorelle, A. Lopes +3 more
2005Human Genetics122 citations
Semantic Scholar
Prevalence and Incidence of Helicobacter pylori Infection in a Healthy Pediatric Population in the Lisbon Area
M. Oleastro, A. Pelerito, P. Nogueira, J. Benoliel +5 more
2011Helicobacter71 citations
Semantic Scholar
Helicobacter pylori Virulence Genotypes in Portuguese Children and Adults with Gastroduodenal Pathology
M. Oleastro, M. Gerhard, A. Lopes, P. Ramalho +3 more
2003European Journal of Clinical Microbiology and Infectious Diseases66 citations
Semantic Scholar
Primary antibiotic resistance of Helicobacter pylori strains isolated from Portuguese children: a prospective multicentre study over a 10 year period.
M. Oleastro, J. Cabral, P. Ramalho, Piedade Sande Lemos +4 more
2011Journal of Antimicrobial Chemotherapy59 citations Open access
Semantic Scholar
Antibiotic-Resistant Helicobacter pylori Strains in Portuguese Children
A. Lopes, M. Oleastro, A. Palha, A. Fernandes +1 more
2005The Pediatric Infectious Disease Journal47 citations
Semantic Scholar
Helicobacter pylori Infection in Pediatrics
A. Kindermann, A. Lopes
2009Helicobacter38 citations
Semantic Scholar
Management of Helicobacter pylori infection in paediatric patients in Europe: results from the EuroPedHp Registry
T. L. Le Thi, K. Werkstetter, K. Kotilea, P. Bontems +28 more
2022Infection34 citations Open access
Semantic Scholar
Helicobacter pylori Infection in Pediatric Patients Living in Europe: Results of the EuroPedHP Registry 2013 to 2016
Michal Kori, T. L. Le Thi, K. Werkstetter, Andrea Sustmann +24 more
2020Journal of Pediatric Gastroenterology and Nutrition - JPGN34 citations Open access
Semantic Scholar
Cytokine Expression in Pediatric Helicobacter pylori Infection
A. Lopes, Marianne Quiding-Jarbrink, A. Palha, J. Ruivo +4 more
2005Clinical Diagnostic Laboratory Immunology32 citations Open access
Semantic Scholar
Autoimmune gastritis presenting as iron deficiency anemia in childhood.
C. Gonçalves, Maria Emília Oliveira, A. Palha, A. Ferrão +2 more
2014World Journal of Gastroenterology31 citations Open access
Semantic Scholar
Pediatric Crohn's disease, iron deficiency anemia and intravenous iron treatment: a follow-up study
Sara Valério de Azevedo, C. Maltez, A. Lopes
2017Scandinavian Journal of Gastroenterology23 citations
Semantic Scholar
Evaluation of a Western Blot Test, Helico Blot 2.1, in the Diagnosis of Helicobacter pylori Infection in a Pediatric Population
M. Oleastro, R. Matos, J. Cabral, R. Barros +3 more
2002Helicobacter23 citations
Semantic Scholar
Ulcerogenic Helicobacter pylori Strains Isolated from Children: A Contribution to Get Insight into the Virulence of the Bacteria
I. Vitoriano, K. Saraiva-Pava, Alexandra Rocha-Gonçalves, Andrea Santos +3 more
2011PLoS ONE22 citations Open access
Semantic Scholar
Helicobacter pylori Genotypes in Children from a Population at High Gastric Cancer Risk: No Association with Gastroduodenal Histopathology
A. Lopes, A. Palha, L. Monteiro, Mónica Olcastro +2 more
2006American Journal of Gastroenterology19 citations
Semantic Scholar
Mucosal lymphocyte subsets and HLA‐DR antigen expression in paediatric Helicobacter pylori‐associated gastritis
A. Lopes, R. Victorino, A. Palha, J. Ruivo +1 more
2006Clinical and Experimental Immunology19 citations Open access
Semantic Scholar
Conventional and natural compounds for the treatment of dermatophytosis.
A. Lopes, F. Tavaria, M. Pintado
2019Medical Mycology18 citations Open access
Semantic Scholar
Evaluation of rapid test Assure Helicobacter pylori for diagnosis of H. pylori in pediatric population.
A. Pelerito, M. Oleastro, A. Lopes, P. Ramalho +2 more
2006Journal of Microbiological Methods18 citations
Semantic Scholar
Battery Ingestion in Children, an Ongoing Challenge: Recent Experience of a Tertiary Center
C. Lorenzo, S. Azevedo, João Lopes, A. Fernandes +3 more
2022Frontiers in Pediatrics16 citations Open access
Semantic Scholar
Surgery in Pediatric Crohn Disease: Case Series from a Single Tertiary Referral Center
R. Lourenço, S. Azevedo, A. Lopes
2016GE: Portuguese Journal of Gastroenterology15 citations Open access
Semantic Scholar
Successful endoscopic resolution of a large gastric bezoar in a child.
S. Azevedo, João Lopes, A. Marques, P. Mourato +2 more
2011World Journal of Gastrointestinal Endoscopy13 citations Open access
Semantic Scholar
Clinical practices among healthcare professionals concerning neonatal jaundice and pale stools
Ermelinda Santos Silva, Helena Moreira Silva, Lia Azevedo Lijnzaat, C. Melo +3 more
2017European Journal of Pediatrics12 citations
Semantic Scholar
Cystic fibrosis-related liver disease: a single-center experience
Paula Catarino Costa, C. Barreto, L. Pereira, M. Lobo +2 more
2011Pediatric Reports11 citations Open access
Semantic Scholar
Portuguese Prevalence of Pediatric Chronic Intestinal Failure.
H. Antunes, Sara Nóbrega, P. Mourato, M. Correia +6 more
2020Journal of Pediatric Gastroenterology and Nutrition - JPGN10 citations Open access
Semantic Scholar
Neonatal Cholestasis Over Time: Changes in Epidemiology and Outcome in a Cohort of 154 Patients From a Portuguese Tertiary Center
E. Silva, A. Almeida, S. Frutuoso, E. Martins +3 more
2020Frontiers in Pediatrics10 citations Open access
Semantic Scholar
Faecal and serum levels of eosinophil cationic protein in a healthy paediatric population
Augusta Silva, L. Levy, J. C. Trindade, P. Mendonça +2 more
2007Scandinavian Journal of Clinical and Laboratory Investigation10 citations
Semantic Scholar
Portuguese Consensus on Diagnosis, Treatment, and Management of Anemia in Pediatric Inflammatory Bowel Disease
A. Lopes, S. Azevedo, J. Cabral, Maria Gomes Ferreira +5 more
2020GE: Portuguese Journal of Gastroenterology9 citations Open access
Semantic Scholar
The Stool Color Card as a Screening Tool for Biliary Atresia in the Digital Version of the Portuguese Child and Youth Health Booklet.
Joanna Ashworth, M. Tavares, Ermelinda Santos Silva, A. Lopes
2021Acta Médica Portuguesa7 citations Open access
Semantic Scholar
Time trend prevalence of helicobacter pylori infection and endoscopic findings in symptomatic children in Portugal: A retrospective study based on three time points in 2009, 2014, and 2019
Raquel Antunes, M. Oleastro, João Paulo Nogueira, A. Lopes
2023Helicobacter6 citations Open access
Semantic Scholar
Bile acids profile and redox status in healthy infants
Ermelinda Santos Silva, S. Rocha, Rita Candeias Ramos, Helena Coutinho +6 more
2022Pediatric Research6 citations
Semantic Scholar
The role of minor salivary glands' biopsy in the diagnosis of Sjögren's syndrome and other systemic diseases.
A. Lopes, Raquel Machado-Neves, M. Honavar, P. R. Pereira
2021European journal of internal medicine6 citations
Semantic Scholar
Distribution of the − 13910C>T polymorphism in the general population of Portugal and in subjects with gastrointestinal complaints associated with milk consumption
L. Manco, S. Pires, A. Lopes, I. Figueiredo +4 more
2013Annals of Human Biology5 citations Open access
Semantic Scholar
Protein-losing gastropathy associated with cytomegalovirus infection in a child
T. Russo, C. Costa, C. Crujo, A. Lopes
2012BMJ Case Reports5 citations Open access
Semantic Scholar
Association between the defective Pro369Ser mutation and in vivo intrahepatic 1-antitrypsin accumulation.
S. Seixas, A. Lopes, J. Rocha, L. Silva +3 more
2001Journal of Medical Genetics5 citations
Semantic Scholar
Neonatal cholestasis: development of a diagnostic decision algorithm from multivariate predictive models
Ermelinda Santos Silva, Helena Moreira Silva, C. Catarino, C. Dias +2 more
2021European Journal of Pediatrics3 citations
Semantic Scholar
Peutz-Jeghers syndrome: early clinical expression of a new STK11 gene variant
S. Brito, M. Póvoas, J. Dupont, A. Lopes
2015BMJ Case Reports3 citations Open access
Semantic Scholar
Identification of a novel deletion in UDP-glucuronosyltransferase gene in a patient with Crigler-Najjar syndrome type I.
E. Costa, E. Vieira, A. Lopes, M. Saldanha +2 more
2009Blood Cells, Molecules & Diseases3 citations Open access
Semantic Scholar
[Peutz-Jeghers syndrome: variability of gastrointestinal expression at pediatric age].
A. Lopes, J. Gonçalves, A. Palha, Fátima Furtado +1 more
2004Acta Médica Portuguesa3 citations
Semantic Scholar
P0514 ANTIBIOTIC RESISTANCE OF HELICOBACTER PYLORI STRAINS OBTAINED FROM CHILDREN LIVING IN EUROPE: RESULTS OF A PROSPECTIVE MULTICENTER STUDY FROM 1999 – 2002
S. Koletzko, D. Antos, F. Richy, P. Bontems +12 more
2004Journal of Pediatric Gastroenterology and Nutrition - JPGN3 citations Open access
Semantic Scholar
Anemia and IBD: Current Status and Future Prospectives
A. Lopes, S. Azevedo
20182 citations Open access
Semantic Scholar
Intramural esophageal dissection. A rare occurrence in pediatric eosinophilic esophagitis.
Susana Castaninha, João C. Lopes, A. Lopes
2018Revista Espanola de Enfermedades Digestivas2 citations Open access
Semantic Scholar
Application of Chitosan in the Control of Fungal Infections by Dermatophytes
A. Lopes, F. Tavaria, M. Pintado
20132 citations Open access
Semantic Scholar
[Eosinophilic esophagitis: clinical expression at pediatric age].
A. Rodrigues, A. Palha, A. Lopes
2011Acta Médica Portuguesa2 citations Open access
Semantic Scholar
O0090 LACTOSE INTOLERANCE IN PORTUGAL AND SÃO TOMÉ (WEST AFRICA): PREVALENCE AND CONCORDANCE BETWEEN MOLECULAR DIAGNOSIS AND BREATH‐HYDROGEN TEST
A. Lopes, Margarida C. Coelho, I. Figueiredo, E. Rocha +2 more
2004Journal of Pediatric Gastroenterology and Nutrition - JPGN2 citations Open access
Semantic Scholar
[Hereditary fructose intolerance].
A. Lopes, A. G. Almeida, A. Costa, Alexandre A. Costa +1 more
1998Acta Médica Portuguesa2 citations
Semantic Scholar
Emergency endoscopy in Pediatrics during SARS-Cov- 2 pandemic in a tertiary center - A changing pattern?
Ana Sofia Vilardouro, Sara Todo Bom Costa, Ana Fernandes, S. Azevedo +4 more
2022Revista Espanola de Enfermedades Digestivas1 citations Open access
Semantic Scholar
Follow-Up of Paediatric Patients with Celiac Disease
A. S. C. Fernandes, A. Lopes
2021Advances in Celiac Disease1 citations
Semantic Scholar
249 Liver disease in children with cystic fibrosis – The contribution of ultrasound evaluation
M. Pinto, S. Castanhinha, L. Pereira, A. Lopes +1 more
20131 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

M. Oleastro×11
Invite
M. Oleastro — researcher profile on SciRah
J. Cabral×9
Invite
J. Cabral — researcher profile on SciRah
L. Monteiro×7
Invite
L. Monteiro — researcher profile on SciRah
A. Palha×7
Invite
A. Palha — researcher profile on SciRah

×6

Invite

P. Ramalho — researcher profile on SciRah

Invite

S. Azevedo — researcher profile on SciRah

A. Fernandes×4

Invite

A. Fernandes — researcher profile on SciRah

Invite

P. Mourato — researcher profile on SciRah

Ermelinda Santos Silva×4

Invite

Ermelinda Santos Silva — researcher profile on SciRah

Invite

C. Barreto — researcher profile on SciRah

Invite

A. Pelerito — researcher profile on SciRah

Andrea Santos×3

Invite

Andrea Santos — researcher profile on SciRah