title: [The effectiveness of contraceptive methods. Calculated on the basis of method failure in applicants for abortion in 1977].
mesh_terms: D000023:Abortion Applicants; D000293:Adolescent; D000328:Adult; D003267:Contraception / Q000379:methods*; D003270:Contraceptive Agents; D003273:Contraceptive Devices; D003718:Denmark; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy
chemical_list: D003270:Contraceptive Agents
vernacular_title: Kontraceptionsmetoders effektivitet. Beregnet på grundlag af metodesvigt hos abortsøgende i 1977.