| Literature DB >> 4474952 |
Abstract
Keywords: Basal Body Temperature Method; Cervical Mucus Method; Contraception; Contraception Failure--statistics; Contraceptive Usage; Critique; Evaluation; Family Planning; Family Planning, Behavioral Methods; Natural Family Planning; Rhythm Method, Calendar; Sexual Abstinence
Mesh：
Year: 1974 PMID： 4474952
Source DB: PubMed Journal: Fam Plann Perspect ISSN： 0014-7354