PT  - JOURNAL ARTICLE
AU  - D. L. Crombie
TI  - Back to Darwin.
DP  - 1967 Jan 01
TA  - The Journal of the College of General Practitioners
PG  - 22--29
VI  - 13
IP  - 1
4099  - http://bjgp.org/content/13/1/22.short
4100  - http://bjgp.org/content/13/1/22.full
SO  - J Coll Gen Pract1967 Jan 01; 13