The high school student as change agent. Behavior modification of chronic depression.
D000203:Activities of Daily Living; D000293:Adolescent; D000488:Allied Health Personnel / Q000706:statistics & numerical data*; D001521:Behavior Therapy; D002908:Chronic Disease; D003469:Culture; D003535:Cyprus; D003863:Depression / Q000628:therapy*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D009034:Mother-Child Relations; D012056:Reinforcement, Social; D013334:Students; D013997:Time Factors