RT Journal Article SR Electronic T1 Research in group practice--problems and possibilities. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 473 OP 478 VO 21 IS 109 A1 R. A. Hardman YR 1971 UL http://bjgp.org/content/21/109/473.abstract AB