title: The post-traumatic stress disorders of combat: a subgroup with a conditioned emotional response.
mesh_terms: D002908:Chronic Disease; D003130:Combat Disorders / Q000145:classification / Q000523:psychology*; D003213:Conditioning, Psychological; D004644:Emotions; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D013313:Stress Disorders, Post-Traumatic / Q000523:psychology*; D013997:Time Factors; D014744:Vietnam