title: [Sex counseling in the first-love ambulance. Hepatitis B vaccination before the fist time?].
authors.forename: Birgit
authors.initials: B
authors.lastname: Delisle
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D003268:Contraception Behavior; D005260:Female; D017325:Hepatitis B Vaccines / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011275:Pregnancy, Unwanted; D012731:Sex Counseling; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D014611:Vaccination
chemical_list: D017325:Hepatitis B Vaccines