RT Journal Article SR Electronic T1 GENERAL-PRACTITIONER OBSTETRICS JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 758 OP 758 VO 28 IS 197 A1 L. I. Zander YR 1978 UL http://bjgp.org/content/28/197/758.1.abstract AB