title: Challenges in using observational studies to evaluate adverse effects of treatment.
authors: Center for Biostatistics in AIDS Research at the Harvard School of Public Health, Boston, USA.
authors: Michael D
authors: MD
authors: Hughes
authors: Paige L
authors: PL
authors: Williams
mesh_terms: D015986:Confounding Factors, Epidemiologic; D064420:Drug-Related Side Effects and Adverse Reactions; D015658:HIV Infections / Q000188:drug therapy; D017320:HIV Protease Inhibitors / Q000009:adverse effects; D006801:Humans; D015233:Models, Statistical; D009203:Myocardial Infarction / Q000139:chemically induced; D019370:Observation; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors
chemical_list: D017320:HIV Protease Inhibitors