PT  - JOURNAL ARTICLE
AU  - Elsebeth Lynge
TI  - From cross-sectional survey to cohort study
AID  - 10.1136/oem.2006.027086
DP  - 2009 Jul 01
TA  - Occupational and Environmental Medicine
PG  - 428--429
VI  - 66
IP  - 7
4099  - http://oem.bmj.com/content/66/7/428.short
4100  - http://oem.bmj.com/content/66/7/428.full
SO  - Occup Environ Med2009 Jul 01; 66