tudies of family planning in the Quinta Normal District of Santiago. The use of contraceptives.
D000029:Abortion, Legal; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001290:Attitude; D002677:Chile; D003270:Contraceptive Agents; D003273:Contraceptive Devices; D004522:Educational Status; D004812:Epidemiologic Methods; D005193:Family Planning Services; D005260:Female; D006306:Health Surveys; D006801:Humans; D008722:Methods; D008875:Middle Aged; D011247:Pregnancy; D012071:Religion and Sex; D012494:Sampling Studies
D003270:Contraceptive Agents