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Journal of Clinical Epidemiology > 1997 > 50 > 12 > 1347-1355
Schizophrenia Research > 1997 > 25 > 3 > 169-176
Journal of Adolescent Health > 1997 > 20 > 1 > 6-13
Journal of Clinical Epidemiology > 1997 > 50 > 12 > 1347-1355
Schizophrenia Research > 1997 > 25 > 3 > 169-176
Journal of Adolescent Health > 1997 > 20 > 1 > 6-13