Confounding in database pharmacoepidemiology studies.
Delaney
Joseph A C
JA
Opatrny
Lucie
L
Brophy
James M
JM
Suissa
Samy
S
D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects; D000925:Anticoagulants / Q000009:adverse effects; D016022:Case-Control Studies; D015986:Confounding Factors, Epidemiologic; D064420:Drug-Related Side Effects and Adverse Reactions / Q000453:epidemiology*; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced / Q000188:drug therapy / Q000453:epidemiology; D006801:Humans; D017891:Pharmacoepidemiology / Q000379:methods*; D012307:Risk Factors; D006113:United Kingdom / Q000453:epidemiology; D014859:Warfarin / Q000009:adverse effects
D000894:Anti-Inflammatory Agents, Non-Steroidal; D000925:Anticoagulants; D014859:Warfarin