TY  - RPRT
TI  - Cancer and extraversion.
AU  - A COPPEN
AU  - M METCALFE
PY  - 1963
DO  - 10.1136/bmj.2.5348.18
UR  - https://pubmed.ncbi.nlm.nih.gov/14022906/
ID  - 14022906
ER  -