RT Journal Article SR Electronic T1 Routine advice against smoking in pregnancy. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 264 OP 268 VO 25 IS 153 A1 J. W. Donovan A1 P. L. Burgess A1 C. M. Hossack A1 G. D. Yudkin YR 1975 UL http://bjgp.org/content/25/153/264.abstract AB