PT  - JOURNAL ARTICLE
AU  - Lunn, J. E.
AU  - Rider, J. G.
AU  - Waters, W. H.
AU  - Charnock, R. B.
TI  - Certification of unfitness for work. A mining area practice.
DP  - 1970 Apr 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 215--222
VI  - 19
IP  - 93
4099  - http://bjgp.org/content/19/93/215.short
4100  - http://bjgp.org/content/19/93/215.full
SO  - J R Coll Gen Pract1970 Apr 01; 19