au.\*:("YANCY WS")
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DRUG USE AND ATTITUDES OF HIGH SCHOOL STUDENTS = USAGE DE DROGUES ET OPINIONS DES ETUDIANTSYANCY WS; NADER PR; BURNHAM KL et al.1972; PEDIATRICS; U.S.A.; DA. 1972; VOL. 50; NO 5; PP. 739-745; BIBL. 20REF.Serial Issue