1961-1975 2015d-942 behavioralmedicine ethics forensicpsychiatry forensicpsychology healthaspects medicalcare mentaldisorders mentalhealth mentalhealthservices methods militarypersonnel militarypsychiatry moralandethicalaspects post-traumaticstressdisorder psychologicalaspects psychology ra1151 rc550 soldiers therapy treatment unitedstates veterans vietnamconflict vietnamwar warneuroses wm110f7152014