PT  - JOURNAL ARTICLE
AU  - D. L. Crombie
TI  - RESEARCH UNIT
DP  - 1973 Nov 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 799--799
VI  - 23
IP  - 136
4099  - http://bjgp.org/content/23/136/799.2.short
4100  - http://bjgp.org/content/23/136/799.2.full
SO  - J R Coll Gen Pract1973 Nov 01; 23