TY - JOUR T1 - Certification of unfitness for work. A mining area practice. JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 215 LP - 222 VL - 19 IS - 93 AU - J. E. Lunn AU - J. G. Rider AU - W. H. Waters AU - R. B. Charnock Y1 - 1970/04/01 UR - http://bjgp.org/content/19/93/215.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -