PT  - JOURNAL ARTICLE
AU  - R Maxwell
TI  - Gatekeepers and goalkeepers: general practice advice to purchasers.
DP  - 1992 Nov 01
TA  - British Journal of General Practice
PG  - 450--451
VI  - 42
IP  - 364
4099  - http://bjgp.org/content/42/364/450.short
4100  - http://bjgp.org/content/42/364/450.full
SO  - Br J Gen Pract1992 Nov 01; 42