PT - JOURNAL ARTICLE AU - Ning, Huacheng AU - Zhou, Yao AU - Zhou, Ziwen AU - Cheng, Sixiang AU - Huang, Ruixue AU - Ning, Huacheng AU - Huang, Ruixue TI - Challenges to improving occupational health in China AID - 10.1136/oemed-2017-104656 DP - 2017 Dec 01 TA - Occupational and Environmental Medicine PG - 924--925 VI - 74 IP - 12 4099 - http://oem.bmj.com/content/74/12/924.short 4100 - http://oem.bmj.com/content/74/12/924.full SO - Occup Environ Med2017 Dec 01; 74