| Literature DB >> 6118338 |
Abstract
Entities:
Keywords: Cervical Mucus Method; Education; Educational Activities; Educational Technics; Family Planning; Family Planning, Behavioral Methods; Menstruation; Natural Family Planning; Ovulation; Reproduction; Sexual Abstinence; Sperm Transport
Mesh:
Substances:
Year: 1981 PMID: 6118338
Source DB: PubMed Journal: Int J Fertil ISSN: 0020-725X