TY - Chinese Journal of Child Health Care A1 - LI Ling, LI Xiao-ling, LI Chao, WU Wei-xue, CAI Xiao-fan, FAN Xia-lin, WEI Xiu-hui, SUN Ting-ting T1 - Epidemiological investigation of children with mental retardation from 0 to 6 years old in Hainan province Y1 - 2017-07-10 JF - Chinese Journal of Child Health Care JO - Chinese Journal of Child Health Care SP - 715 EP - 717 VL - 25 IS - 7 UR - https://manu41.magtech.com.cn/Jwk_zgetbjzz N1 - 10.11852/zgetbjzz2017-25-07-19 ER -