4Stice E, Presnell K, Bearman SK. Relation of early menarche to depression, eating disorders, substance abuse, and comorbid psychopathology among adolescent girls [ J ]. Dev Psychol, 2001, 37 (15): 608-619.
5Torres - Mejia G, Cupul - Uicab LA, Allen B, et al. Comparative study of correlates of early age at menarche among Mexican and Egyptian adolescents[J].Am J Hum Biol, 2005, 17 (5) : 654 -758.
6Stice E, Presnell K, Beannan SK. Relation of early menarche to depression, Eating disorders, substance abuse, and comorbid psychopathology among adolescent girls [ J ]. Dev Psychol, 2001, 37 ( 15 ) : 608-19.
7Torres-Mejia G, Cupul-Uicab LA, Allen B, et al. Comparative study of correlates of early age at menarche among Mexican and Egyptian adolescents[J]. Am J Hum Biol, 2005, 17(5) : 654-8.
8Tsai YF, Wong TK, Strategies for resolving aboriginal adolescent pregnancy in eastern Taiwan[ J ]. Journal of Advanced Nursing, 2003, Feb, 41(4): 351-7.
9Selvan MS, Kurpad AV Primary prevention : why focus on children & young adolescents? [J]. Indian J Med Res, 2004, 120(6): 511- 518.
