PT  - JOURNAL ARTICLE
AU  - Johnson, E S
TI  - Duration of exposure as a surrogate for dose in the examination of dose response relations.
AID  - 10.1136/oem.43.6.427
DP  - 1986 Jun 01
TA  - British Journal of Industrial Medicine
PG  - 427--429
VI  - 43
IP  - 6
4099  - http://oem.bmj.com/content/43/6/427.short
4100  - http://oem.bmj.com/content/43/6/427.full
SO  - Br J Ind Med1986 Jun 01; 43