TY  - RPRT
TI  - Using data from the 1991 census.
AU  - F A Majeed
AU  - D G Cook
AU  - J Poloniecki
AU  - D Martin
PY  - 1995
DO  - 10.1136/bmj.310.6993.1511
UR  - https://pubmed.ncbi.nlm.nih.gov/7787601/
ID  - 7787601
ER  -