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18. Contraceptive use, pregnancy and fertility patterns among single American women in their 20s. Tanfer K; Horn MC Fam Plann Perspect; 1985; 17(1):10-9. PubMed ID: 3979524 [TBL] [Abstract][Full Text] [Related]
19. [Value of intrauterine contraception]. Neumann HG Z Arztl Fortbild (Jena); 1985; 79(10):449-51. PubMed ID: 4049935 [TBL] [Abstract][Full Text] [Related]