A comparative study on psychological and behavioral development in children aged 1 to 3 years fostered by grandparents and by parents
WANG Ping, SONG Pu, CHEN Cai-Ping, LIANG Juan, JIAN Fang-Fang, ZHANG Jin-Bao
中国当代儿科杂志 . 2009, (12): 1006 -1007 .