PT  - JOURNAL ARTICLE
AU  - M. Marinker
TI  - On the boundary.
DP  - 1973 Feb 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 83--94
VI  - 23
IP  - 127
4099  - http://bjgp.org/content/23/127/83.short
4100  - http://bjgp.org/content/23/127/83.full
SO  - J R Coll Gen Pract1973 Feb 01; 23