TY - Chinese Journal of Child Health Care A1 - XIAO Dan-xia, LI Hong T1 - Investigation on the relationship between language development and screen exposure in children aged 1 to 3 years in community Y1 - 2021-02-10 JF - Chinese Journal of Child Health Care JO - Chinese Journal of Child Health Care SP - 186 EP - 189 VL - 29 IS - 2 UR - https://manu41.magtech.com.cn/Jwk_zgetbjzz N1 - 10.11852/zgetbjzz2020-0220 ER -