Relationship of Nutritional Status with Urine Gonadotropin and Sex Hormones in Preschool Boys 
WANG Yong,CHEN Chunmei,MA Yaping,HANG Biao,HANG Yin,RUI Fang,YAO Min,QIN Liqin,BEN Ze,NIE Shuang,XU Zhuangjian
Chinese General Practice . 2019, (20): 2416 -2421 .  DOI: 10.12114/j.issn.1007-9572.2019.00.031