title: Coital frequency among married and cohabiting couples in the United States. A comment.
authors.affiliation: Galton Laboratory, University College London.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D000328:Adult; D003075:Coitus / Q000502:physiology*; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008393:Marriage; D010507:Periodicity; D014481:United States