PT  - JOURNAL ARTICLE
AU  - D. L. Crombie
TI  - Preventive medicine and presymptomatic diagnosis.
DP  - 1968 May 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 344--351
VI  - 15
IP  - 5
4099  - http://bjgp.org/content/15/5/344.short
4100  - http://bjgp.org/content/15/5/344.full
SO  - J R Coll Gen Pract1968 May 01; 15