TY - JOUR A1 - Hesketh, T. A1 - Qu, J. A1 - Tomkins, A. T1 - Health effects of family size: Cross sectional survey in Chinese adolescents Y1 - 2003 DO - 10.1136/adc.88.6.467 JF - Archives of Disease in Childhood VL - 88 IS - 6 ER -