abuseof adolescent adolescenthealthservices canada casestudies child childabuse childsexualabuse counseling datingviolence etc group grouppsychotherapy handbooks interpersonalrelationsinadolescence manuals physiology pregnancy pregnancyinadolescence prevention psychology psychosexualdevelopment psychotherapy rehabilitation servicesfor servicesocialauxadolescents sexeducation sexinstructionforteenagers sexual sexualbehavior sexuallyabusedchildren sexuallyabusedteenagers socialgroupwork socialserviceandsex socialwork socialworkwithchildren socialworkwithyouth studyandteaching teenagemothers teenagepregnancy teenagers unitedstates wa320m245g1997 wa325h2362008 women ws462a23881989 ws462l748t1989 youthrelationshipsproject(london