RT Journal Article
SR Electronic
T1 A revised SAS macro for maximum likelihood estimation of prevalence ratios using the COPY method
JF Occupational and Environmental Medicine
JO Occup Environ Med
FD BMJ Publishing Group Ltd
SP 639
OP 639
DO 10.1136/oem.2008.043018
VO 66
IS 9
A1 Petersen, M R
A1 Deddens, J A
YR 2009
UL http://oem.bmj.com/content/66/9/639.1.abstract
AB