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Comment
. 2009 Sep;66(9):639.
doi: 10.1136/oem.2008.043018.

A revised SAS macro for maximum likelihood estimation of prevalence ratios using the COPY method

Comment

A revised SAS macro for maximum likelihood estimation of prevalence ratios using the COPY method

M R Petersen et al. Occup Environ Med. 2009 Sep.
No abstract available

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