5WHO Multicentre Growth Reference Study Group. WHO child growth standards : length/height-for-age, weight-for- age, weight-for-length, weight-for-height and body mass in- dex-for-age, methods and development [ M ]. ceneva: WHO, 2006.
6WHO Multicentre Growth Reference Study Group. WHO Child Growth Standards based on length/height, weight and age[J]. Aeta Paediatr Suppl, 2006,450(4) :76-85.
