Medical Conditions of Hazardous Drinkers and Drug Users in Primary Care Clinics in Cape Town, South Africa.
Mertens, Jennifer R; Flisher, Alan J; Ward, Catherine L; Bresick, Graham F; Sterling, Stacy A; Weisner, Constance M.
J Drug Issues
; 39(4)2009 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-21197147
Biomedical research in france and brazil: an analysis of significant differences and ethical issues
Mucolytic agents versus placebo for chronic bronchitis or chronic obstructive pulmonary disease.