5DEARTH-WESLEY T, WANG H, POPKIN BM. Under-and ovemut- rition dynamics in Chinese children and adults(1991-2004) [J]. Eur J Clin Nutr, 2008,62 ( 11 ) : 1302 - 1307.
6ONIS M, ONYANGO AW, BORGHI E, et al. Development of a WHO growth reference for school-aged children and adolescents. Bull WHO, 2007,85 (9) :660-667.
7LEENSTRA T, PETERSEN LT, KARIUKI SK, et al. Prevalence and severity of malnutrition and age at menarche : Cross-sectional studies in adolescent schoolgirls in western Kenya[J]. Eur J Clin Nutr, 2005, 59( 1 ) :41-48.