| Literature DB >> 12313307 |
Abstract
Keywords: Biology; Cervical Mucus Method; Clinical Research; Contraception; Family Planning; Family Planning, Behavioral Methods; Fertile Period; Natural Family Planning; Reproduction; Reproductive Period; Research Methodology
Mesh:
Year: 1962 PMID: 12313307
Source DB: PubMed Journal: Bull Sloane Hosp Women Columbia Presbyt Med