RT Journal Article SR Electronic T1 HOSPITAL IN-PATIENT ENQUIRY 1976 JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 59 OP 59 VO 31 IS 222 A1 D. J. Pereira Gray YR 1981 UL http://bjgp.org/content/31/222/59.2.abstract AB