au.\*:("POLKOWSKI J")
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DRUG AND RISK PERCEPTIONS OF NINTH-GRADE STUDENTS: SEX DIFFERENCES AND SIMILARITIES. = PERCEPTION DES DROGUES ET DE LEURS RISQUES PAR DES ETUDIANTS DE NEUVIEME CLASSE: DIFFERENCES ET SIMILARITE ENTRE LES SEXESSCHUMAN SH; POLKOWSKI J.1975; COMMUN-MENTAL HEALTH J.; U.S.A.; DA. 1975; VOL. 11; NO 2; PP. 184-194; BIBL. 12 REF.Article
EPIDEMIC MEASLES IN A HIGHLY VACCINATED POPULATION.SHASBY DM; SHOPE TC; DOWNS H et al.1977; NEW ENGL. J. MED.; U.S.A.; DA. 1977; VOL. 296; NO 11; PP. 585-589; BIBL. 10 REF.Article