title: [Study on the method of manual inspection of the external uterine orifice included in the new rhythm method of family planning].
authors.forename: F
authors.initials: F
authors.lastname: Miyazaki
authors.forename: K
authors.initials: K
authors.lastname: Katahira
authors.forename: R
authors.initials: R
authors.lastname: Narazaki
authors.forename: K
authors.initials: K
authors.lastname: Hashimoto
authors.forename: T
authors.initials: T
authors.lastname: Hayashi
mesh_terms: D000328:Adult; D002584:Cervix Uteri; D005260:Female; D006801:Humans; D012252:Natural Family Planning Methods; D010808:Physical Examination