RT Journal Article SR Electronic T1 Practice activity analysis: punctuality of appointments. From the Birmingham Research Unit of the Royal College of General Practitioners. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 634 OP 635 VO 27 IS 183 YR 1977 UL http://bjgp.org/content/27/183/634.abstract AB