Cross-sectional study on health status of preschool children of different ethnic groups in Linxiang district, Yunnan Province
HONG Yang-yang, XU Yi-hua, LUO Kai-min, LU He-yun, WANG Qiong-hua, LIU Ju-ming
Chinese Journal of Child Health Care . 2022, (5): 485 -489 .  DOI: 10.11852/zgetbjzz2021-1393