title: Brief encounter.
authors.affiliation: London Deanery, Stewart House, London, UK. jlauner@londondeanery.ac.uk
authors.forename: John
authors.initials: J
authors.lastname: Launer
mesh_terms: D003213:Conditioning, Psychological / Q000502:physiology*; D003380:Courtship; D003463:Cues; D005260:Female; D005298:Fertility; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D012725:Sexual Behavior / Q000502:physiology* / Q000523:psychology