title: [How natural is "natural family planning"? Critical remarks from the biological behavior viewpoint].
authors.affiliation: Institut für Biologie und ihre Didaktik, Universität Münster.
authors.forename: G H
authors.initials: GH
authors.lastname: Neumann
mesh_terms: D000818:Animals; D005193:Family Planning Services; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D012252:Natural Family Planning Methods; D011247:Pregnancy; D012725:Sexual Behavior
vernacular_title: Wie natürlich ist die "natürliche Familien-Planung"? Kritische Anmerkungen aus verhaltensbiologischer Sicht.