中国计划生育学杂志
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学龄前超重和肥胖儿童与体重正常儿童身体活动水平的比较研究
1.北京市东城区妇幼保健计划生育服务中心;2.首都儿科研究所,儿童发育营养学组北京市重点实验室
The comparative study of physical activity levels between overweight & obesity preschoolers and preschoolers with normal BMI
1.Dongcheng maternal and child health and family planning service center,district, Beijing, 100000; 2.Beijing institute of pediatrics,Beijing key laboratory of child development and nutrition