TY  - RPRT
TI  - Prevalence proportion ratios: estimation and hypothesis testing.
AU  - T Skov
AU  - J Deddens
AU  - M R Petersen
AU  - L Endahl
PY  - 1998
DO  - 10.1093/ije/27.1.91
UR  - https://pubmed.ncbi.nlm.nih.gov/9563700/
ID  - 9563700
ER  -