TY  - RPRT
TI  - Relative risk estimation from vital statistical data: validation, a pitfall and an alternative method.
AU  - P B Silcocks
AU  - M Murphy
PY  - 1987
DO  - 10.1136/jech.41.1.59
UR  - https://pubmed.ncbi.nlm.nih.gov/3668462/
ID  - 3668462
ER  -