PT  - JOURNAL ARTICLE
AU  - J. E. McKnight
TI  - The art so long to learn.
DP  - 1971 Jun 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 315--324
VI  - 21
IP  - 107
4099  - http://bjgp.org/content/21/107/315.short
4100  - http://bjgp.org/content/21/107/315.full
SO  - J R Coll Gen Pract1971 Jun 01; 21