PT  - JOURNAL ARTICLE
AU  - Crombie, D. L.
AU  - Pinsent, R. J.
AU  - Lambert, P. M.
AU  - Birch, D.
TI  - Comparison of the first and second national morbidity surveys.
DP  - 1975 Dec 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 874--878
VI  - 25
IP  - 161
4099  - http://bjgp.org/content/25/161/874.short
4100  - http://bjgp.org/content/25/161/874.full
SO  - J R Coll Gen Pract1975 Dec 01; 25