Nav
Journal
Chin Med J (Engl)
Volume
99
Issue
1
Pages
9–14
Publication year
1986
Suggested citation
Zuo QH, Zhang ZX, Li Z, Qian YP, Wu XR, Lin Q, Qu CY, Tu GZ. An epidemiological study on mental retardation among children in Chang-qiao area of Beijing. Chin Med J (Engl). 1986; 99(1): 9–14.