RT Journal Article SR Electronic T1 Eric Cyril Jelly, MRCGP, DRCOG, ABFP JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 510 OP 511 VO 30 IS 217 A1 Peter Curtis YR 1980 UL http://bjgp.org/content/30/217/510.2.abstract AB