title: Studying sexual behaviour.
authors.forename: A M
authors.initials: AM
authors.lastname: Johnson
authors.forename: J
authors.initials: J
authors.lastname: McEwan
mesh_terms: D004739:England; D005260:Female; D006801:Humans; D008019:Life Style; D008297:Male; D011159:Population Surveillance; D012107:Research Design; D012725:Sexual Behavior