TY  - RPRT
TI  - Partners in adversity: I. Study design and context.
AU  - P G Surtees
AU  - P M Miller
PY  - 1993
DO  - 10.1007/bf02189967
UR  - https://pubmed.ncbi.nlm.nih.gov/8461349/
ID  - 8461349
ER  -