Bias in cross-sectional cohort studies on time trends in fertility
Sallmen, M., Bonde, J. P., Lindbohm, M.-L., Kristensen, P.Volume:
68
Language:
english
Journal:
Occupational and Environmental Medicine
DOI:
10.1136/oemed-2011-100382.16
Date:
September, 2011
File:
PDF, 57 KB
english, 2011