RT Journal Article SR Electronic T1 A report on the efficiency of obstetric systems and the scope of the general practitioner obstetrician in various countries JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 50 OP 50 VO 17 IS 78 YR 1969 UL http://bjgp.org/content/17/78/50.3.abstract AB