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A. Erhardt · SciRah

Researcher profile · Semantic Scholar

A. Erhardt

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A. Erhardt — researcher profile on SciRah

h-index: 50
Works: 253
Citations: 11K

Most-cited papers

Spatial bias in the GBIF database and its effect on modeling species' geographic distributions
Jan Beck, Marianne Böller, A. Erhardt, W. Schwanghart
2014Ecological Informatics700 citations
Semantic Scholar
Long‐term efficacy of tenofovir monotherapy for hepatitis B virus‐monoinfected patients after failure of nucleoside/nucleotide analogues
F. van Bömmel, Robert A. de Man, H. Wedemeyer, K. Deterding +16 more
2010Hepatology359 citations
Semantic Scholar
Late HDV RNA relapse after peginterferon alpha‐based therapy of chronic hepatitis delta
B. Heidrich, C. Yurdaydın, Gökhan Kabaçam, Boris A. Ratsch +12 more
2014Hepatology281 citations Open access
Semantic Scholar
Peginterferon plus adefovir versus either drug alone for hepatitis delta.
H. Wedemeyer, C. Yurdaydın, G. Dalekos, A. Erhardt +10 more
2011New England Journal of Medicine216 citations Open access
Semantic Scholar
[Prophylaxis, diagnosis and therapy of hepatitis B virus infection - the German guideline].
M. Cornberg, U. Protzer, J. Petersen, H. Wedemeyer +12 more
2011Zeitschrift für Gastroenterologie - German Journal of Gastroenterology190 citations Open access
Semantic Scholar
Peginterferon alfa-2a plus tenofovir disoproxil fumarate for hepatitis D (HIDIT-II): a randomised, placebo controlled, phase 2 trial.
H. Wedemeyer, C. Yurdaydın, S. Hardtke, F. Căruntu +23 more
2019Lancet. Infectious Diseases (Print)136 citations
Semantic Scholar
Endoscopic full-thickness resection for early colorectal cancer.
Armin Kuellmer, J. Mueller, K. Caca, P. Aepli +11 more
2019Gastrointestinal Endoscopy124 citations
Semantic Scholar
Quantitative HBsAg and HDV‐RNA levels in chronic delta hepatitis
K. Zachou, C. Yurdaydın, U. Drebber, G. Dalekos +11 more
2010Liver international (Print)120 citations
Semantic Scholar
Inflammation‐adapted liver stiffness values for improved fibrosis staging in patients with hepatitis C virus and alcoholic liver disease
S. Mueller, S. Englert, Helmut-Karl Seitz, R. Badea +4 more
2015Liver international (Print)94 citations
Semantic Scholar
TACE plus sorafenib for the treatment of hepatocellular carcinoma: results of the multicenter, phase II SOCRATES trial
A. Erhardt, F. Kolligs, M. Dollinger, E. Schott +9 more
2014Cancer Chemotherapy and Pharmacology71 citations
Semantic Scholar
Development and evaluation of a baseline-event-anticipation score for hepatitis delta
B. Serrano, A. Grosshennig, M. Homs, B. Heidrich +9 more
2014Journal of Viral Hepatitis66 citations Open access
Semantic Scholar
Anti-HDV IgM as a Marker of Disease Activity in Hepatitis Delta
A. Wranke, B. Heidrich, Stefanie Ernst, Beatriz Calle Serrano +20 more
2014PLoS ONE57 citations Open access
Semantic Scholar
Nectar amino acids enhance reproduction in male butterflies
F. Cahenzli, A. Erhardt
2012Oecologia53 citations
Semantic Scholar
High prevalence of significant liver fibrosis and cirrhosis in chronic hepatitis B patients with normal ALT in central Europe
T. Göbel, A. Erhardt, Mathias Herwig, C. Poremba +4 more
2011Journal of Medical Virology52 citations
Semantic Scholar
O4 PROLONGED THERAPY OF HEPATITIS DELTA FOR 96 WEEKS WITH PEGYLATED-INTERFERON-α-2a PLUS TENOFOVIR OR PLACEBO DOES NOT PREVENT HDVRNA RELAPSE AFTER TREATMENT: THE HIDIT-2 STUDY
H. Wedemeyer, C. Yurdaydın, Stefanie Ernst, F. Căruntu +20 more
201450 citations
Semantic Scholar
Transgenerational acclimatization in an herbivore–host plant relationship
F. Cahenzli, A. Erhardt
2013Proceedings of the Royal Society of London. Biological Sciences48 citations Open access
Semantic Scholar
Using ecological and field survey data to establish a national list of the wild bee pollinators of crops
L. Hutchinson, T. Oliver, Tom D. Breeze, E. Bailes +33 more
2021Agriculture, Ecosystems & Environment46 citations Open access
Semantic Scholar
The relative importance of sexual and clonal reproduction for population growth in the perennial herb Fragaria vesca
J. Schulze, Rita Rufener, A. Erhardt, P. Stoll
2012Population Ecology44 citations
Semantic Scholar
Enhancing offspring quality or quantity? Different ways for using nectar amino acids in female butterflies
F. Cahenzli, A. Erhardt
2012Oecologia41 citations
Semantic Scholar
Aktualisierung der S3-Leitlinie zur Prophylaxe, Diagnostik und Therapie der Hepatitis-B-Virusinfektion AWMF-Register-Nr.: 021/011 Prophylaxis, Diagnosis and Therapy of Hepatitis B Virus Infection -
M. Cornberg, U. Protzer, J. Petersen, H. Wedemeyer +4 more
201138 citations
Semantic Scholar
Cholestatic Liver Diseases from Child to Adult: The Diversity of MDR3 Disease
R. Kubitz, J. Bode, A. Erhardt, D. Graf +8 more
2011Zeitschrift für Gastroenterologie - German Journal of Gastroenterology34 citations
Semantic Scholar
The impact of technical and clinical factors on fecal microbiota transfer outcomes for the treatment of recurrent Clostridioides difficile infections in Germany
R. Peri, R. C. Aguilar, Kester Tüffers, A. Erhardt +14 more
2019United European Gastroenterology journal33 citations Open access
Semantic Scholar
Female butterflies adapt and allocate their progeny to the host-plant quality of their own larval experience.
F. Cahenzli, B. Wenk, A. Erhardt
2015Ecology31 citations
Semantic Scholar
Full genome ultra‐deep pyrosequencing associates G‐to‐A hypermutation of the hepatitis B virus genome with the natural progression of hepatitis B
B. Beggel, C. Münk, M. Däumer, K. Hauck +3 more
2013Journal of Viral Hepatitis29 citations
Semantic Scholar
Anti-Hdv Immunoglobulin M Testing in Hepatitis Delta Revisited: Correlations with Disease Activity and Response to Pegylated Interferon-α2A Treatment
I. Mederacke, C. Yurdaydın, G. Dalekos, B. Bremer +10 more
2012Antiviral Therapy29 citations
Semantic Scholar
Sunitinib induced pyoderma gangrenosum-like ulcerations
S. Akanay-Diesel, N. Hoff, S. Kurle, J. Haes +8 more
2011European Journal of Medical Research29 citations Open access
Semantic Scholar
Residual low HDV viraemia is associated HDV RNA relapse after PEG‐IFNa‐based antiviral treatment of hepatitis delta: Results from the HIDIT‐II study
B. Bremer, O. Anastasiou, S. Hardtke, F. Căruntu +14 more
2020Liver international (Print)27 citations Open access
Semantic Scholar
Nectar sugars enhance fitness in male Coenonympha pamphilus butterflies by increasing longevity or realized reproduction
F. Cahenzli, A. Erhardt
201227 citations Open access
Semantic Scholar
Pegylated interferon-based treatment in patients with advanced liver disease due to chronic delta hepatitis.
Gökhan Kabaçam, G. Dalekos, Y. Çakaloğlu, K. Zachou +11 more
2012The Turkish Journal of Gastroenterology25 citations Open access
Semantic Scholar
Do alpine plants facilitate each other's pollination? Experiments at a small spatial scale
Yasemin Sieber, R. Holderegger, N. Waser, V. Thomas +4 more
201125 citations Open access
Semantic Scholar
Effects of floral neighborhood on seed set and degree of outbreeding in a high-alpine cushion plant
L. Wirth, N. Waser, R. Graf, F. Gugerli +4 more
2011Oecologia24 citations Open access
Semantic Scholar
Do insulin-like growth factor associated proteins qualify as a tumor marker? Results of a prospective study in 163 cancer patients
G. Matuschek, Michael Rudoy, M. Peiper, P. Gerber +15 more
2011European Journal of Medical Research23 citations Open access
Semantic Scholar
Light pollution hampers recolonization of revitalised European Nightjar habitats in the Valais (Swiss Alps)
A. Sierro, A. Erhardt
2019Journal of Ornithology19 citations
Semantic Scholar
Typology in pollination biology: lessons from an historical critique
N. Waser, J. Ollerton, A. Erhardt
201119 citations Open access
Semantic Scholar
Allergic sensitization to pegylated interferon‐α results in drug eruptions
S. Meller, P. Gerber, A. Kislat, P. Hevezi +8 more
2015Allergy. European Journal of Allergy and Clinical Immunology18 citations
Semantic Scholar
The role of neoadjuvant and adjuvant treatment for adenocarcinoma of the upper gastrointestinal tract
C. Matuschek, E. Bölke, M. Peiper, W. Knoefel +10 more
2011European Journal of Medical Research18 citations Open access
Semantic Scholar
Retrospective Analysis of Chronic Hepatitis D in a West German University Clinic over Two Decades: Migratory Pattern, Prevalence and Clinical Outcome
A. Erhardt, M. Hoernke, U. Heinzel-Pleines, A. Sagir +2 more
2010Zeitschrift für Gastroenterologie - German Journal of Gastroenterology18 citations
Semantic Scholar
Transient elastography improves detection of liver cirrhosis compared to routine screening tests.
T. Göbel, Janine Schadewaldt-Tümmers, L. Greiner, C. Poremba +2 more
2015World Journal of Gastroenterology16 citations Open access
Semantic Scholar
Divergent strategies in pre‐ and postzygotic reproductive isolation between two closely related Dianthus species
F. Cahenzli, Christophe Bonetti, A. Erhardt
2018Evolution; international journal of organic evolution15 citations
Semantic Scholar
Vergleich der kontrastverstärkten Sonografie und der MRT mit Gd-EOB-DTPA zur Diagnostik fokaler Leberläsionen bei Patienten mit Leberzirrhose
D. Blondin, A. Erhardt, K. Crynen, A. Sagir +5 more
2011Zeitschrift für Gastroenterologie - German Journal of Gastroenterology15 citations
Semantic Scholar
[Increasing number and improved survival of patients with hepatocellular carcinoma from 1988 to 2007: data of a German university clinic].
A. Erhardt, E. Zhu, D. Blondin, R. Kubitz +3 more
2011Zeitschrift für Gastroenterologie - German Journal of Gastroenterology15 citations
Semantic Scholar
A transient early HBV‐DNA increase during PEG‐IFNα therapy of hepatitis D indicates loss of infected cells and is associated with HDV‐RNA and HBsAg reduction
O. Anastasiou, C. Yurdaydın, B. Maasoumy, S. Hardtke +16 more
2020Journal of Viral Hepatitis14 citations
Semantic Scholar
Host plant defence in the larval stage affects feeding behaviour in adult butterflies
F. Cahenzli, A. Erhardt
201210 citations
Semantic Scholar
79 SORAFENIB PLUS TACE FOR THE TREATMENT OF ADVANCED HEPATOCELLULAR CARCINOMA – FINAL RESULTS OF THE SOCRATES TRIAL
A. Erhardt, F. Kolligs, M. Dollinger, E. Schott +9 more
201110 citations Open access
Semantic Scholar
Solitary bees - Potential vectors for gene flow from cultivated to wild strawberries
J. Schulze, Lucia Oeschger, Alexandra Gross, A. Mueller +2 more
20129 citations
Semantic Scholar
Searching for gene flow from cultivated to wild strawberries in Central Europe.
J. Schulze, P. Stoll, A. Widmer, A. Erhardt
2011Annals of Botany8 citations Open access
Semantic Scholar
TACE plus sorafenib for the treatment of hepatocellular carcinoma: Final results of the multicenter SOCRATES trial.
A. Erhardt, F. Kolligs, M. Dollinger, E. Schott +9 more
2011Journal of Clinical Oncology8 citations
Semantic Scholar
Review article: HCV ? STAT-C era of therapy
C. Lange, Chris Sarrazin, S. Zeuzem, M. Fried +496 more
20108 citations
Semantic Scholar
The Northern Bald Ibis Geronticus eremita in Morocco since 1900: Analysis of ecological requirements
Andre Schenker, F. Cahenzli, K. Gutbrod, M. Thevenot +1 more
2019Bird conservation international7 citations
Semantic Scholar
Transient Elastography for the Detection of Liver Damage in Patients with HIV
A. Sagir, Birgit Glaubach, K. Sahin, D. Graf +3 more
2015Infectious Disease and Therapy7 citations Open access
Semantic Scholar

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