00000nam a2200000 a 4500 Zahlen & Fakten Gesundheit Weltweit Studie Recearch Protocol for the 1997-98 Study Health Behaviour in School-Aged Children. A WHO Cross-National Survey (HBSC) 1998 1. Auflage W:\Digitale Publikationen\Schule\SchGes\hbsc\HBSC_international\00376571_HBSC_Research_Protocol_1998.pdf University of Edinburgh, Dept of Community Health Sciences 101 S.