PT  - JOURNAL ARTICLE
ED  - ,
TI  - Digest
DP  - 1990 Apr 01
TA  - British Journal of General Practice
PG  - 171--172
VI  - 40
IP  - 333
4099  - http://bjgp.org/content/40/333/171.short
4100  - http://bjgp.org/content/40/333/171.full
SO  - Br J Gen Pract1990 Apr 01; 40