Protein-energy Malnutrition Prevalence and Influencing Factors in Rural Left-behind Children under 1 Year Old in Zunyi Area 
ZHANG Fangxia,HU Ying,SONG Yanan1,CHENG Yu1,XIANG Yunfeng1,JIN Hongjiao2,LEI Li2,GOU Enjin,LI Qing,WANG Xuqin,LUO Limei,LIN Yong,QU Tingnian,HUANG Bo
Chinese General Practice . 2021, (11): 1406 -1409 .  DOI: 10.12114/j.issn.1007-9572.2021.00.137