PT  - JOURNAL ARTICLE
AU  - Zhu, Huilan
TI  - Author's reply
AID  - 10.1136/oem.51.10.719-a
DP  - 1994 Oct 01
TA  - Occupational and Environmental Medicine
PG  - 719--719
VI  - 51
IP  - 10
4099  - http://oem.bmj.com/content/51/10/719.2.short
4100  - http://oem.bmj.com/content/51/10/719.2.full
SO  - Occup Environ Med1994 Oct 01; 51