TY  - RPRT
TI  - Declaring independence: why we should be cautious.
AU  - G D Smith
AU  - A Phillips
PY  - 1990
DO  - 10.1136/jech.44.4.257
UR  - https://pubmed.ncbi.nlm.nih.gov/2277244/
ID  - 2277244
ER  -