Columbia subject headings:
Harvard subject headings:
Contraception--Complications--Prevention.
Contraceptive drugs--Side effects.
Contraceptives--Physiological effect--Evaluation.
Diseases--Risk factors
Drug interactions
Health risk assessment
Princeton subject headings:
Contraception--Complications--Prevention.
Contraceptive drugs--Side effects.
Contraceptives--Physiological effect--Evaluation.
Diseases--Risk factors.
Drug interactions.
Health risk assessment.