RT Journal Article SR Electronic T1 History of GP obstetrics JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 437 OP 437 DO 10.3399/bjgp08X302763 VO 58 IS 551 A1 Roy Webb YR 2008 UL http://bjgp.org/content/58/551/437.1.abstract AB