RT Journal Article SR Electronic T1 Pre-delivery Ataralgesia JF The Journal of the College of General Practitioners JO J Coll Gen Pract FD British Journal of General Practice SP 455 OP 464 VO 7 IS 3 A1 B. W. McGuinness YR 1964 UL http://bjgp.org/content/7/3/455.abstract AB