title: A reminder that human behavior frequently refuses to conform to models created by researchers.
authors.affiliation: University of California, Berkeley, USA.
authors.forename: K C
authors.initials: KC
authors.lastname: Luker
mesh_terms: D003276:Contraceptives, Oral; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D011247:Pregnancy
chemical_list: D003276:Contraceptives, Oral