RT Journal Article SR Electronic T1 A diagnostic work-study index. A use of the E-book to measure work load in relation to morbidity. JF The Journal of the College of General Practitioners JO J Coll Gen Pract FD British Journal of General Practice SP 39 OP 54 VO 13 IS 1 A1 Spenser, J. T. YR 1967 UL http://bjgp.org/content/13/1/39.abstract AB