TY  - RPRT
TI  - The case-control study in psychiatry.
AU  - G Lewis
AU  - A J Pelosi
PY  - 1990
DO  - 10.1192/bjp.157.2.197
UR  - https://pubmed.ncbi.nlm.nih.gov/2145992/
ID  - 2145992
ER  -