TY - JOUR AU - Bauman A. AU - Cui Zhaohui AU - Dibley M. BT - Preventive Medicine IS - 6 LA - eng M1 - 6 N1 - doi: 10.1016/j.ypmed.2011.04.005 PY - 2011 SN - 0091-7435 SP - 423 EP - 427 T2 - Preventive Medicine TI - Temporal trends and correlates of passive commuting to and from school in children from 9 provinces in China VL - 52 ER -