TY - JOUR T1 - General practice obstetrics JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 243 LP - 244 VL - 21 IS - 105 AU - C. J. Lyden Y1 - 1971/04/01 UR - http://bjgp.org/content/21/105/243.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -