title: The study of the inheritance of rare behaviors: the cohort technique.
mesh_terms: D005260:Female; D005824:Genetics, Behavioral; D005828:Genetics, Population; D006801:Humans; D011247:Pregnancy; D011336:Probability; D013223:Statistics as Topic; D013405:Suicide / Q000453:epidemiology; D014427:Twins; D014481:United States