title: The biologic possibility of HIV transmission during passionate kissing.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000097:blood / Q000635:transmission*; D000368:Aged; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009061:Mouth Mucosa / Q000382:microbiology; D012307:Risk Factors; D012463:Saliva / Q000382:microbiology; D012725:Sexual Behavior