Statistical analysis of patient-control studies in epidemiology. Factor under investigation an all-or-none variable.
D003276:Contraceptives, Oral / Q000009:adverse effects; D004813:Epidemiology; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D013923:Thromboembolism / Q000139:chemically induced
D003276:Contraceptives, Oral