Clinical complexity and epidemiologic uncertainty in case-control research. Fenoterol and asthma management.
RalphI. Horwitz, W. O. Spitzer, S. Buist, D. W. Cockcroft +6 more
1991Chest22 citations
Semantic Scholar
Researcher profile · Semantic Scholar
RalphI. Horwitz, W. O. Spitzer, S. Buist, D. W. Cockcroft +6 more
B. R. Hemmelgarn, L. Edouard, B. F. Habbick, J. Feather
B. R. Hemmelgarn, R. Klassen, Brian F. Habbick, A. Senthilselvan