PT  - JOURNAL ARTICLE
AU  - T J David
TI  - SHORT REVIEWS
AID  - 10.1136/jech.47.4.339-a
DP  - 1993 Aug 01
TA  - Journal of Epidemiology and Community Health
PG  - 339--339
VI  - 47
IP  - 4
4099  - http://jech.bmj.com/content/47/4/339.2.short
4100  - http://jech.bmj.com/content/47/4/339.2.full
SO  - J Epidemiol Community Health1993 Aug 01; 47