RT Journal Article SR Electronic T1 Factors associated with the provision of anti-smoking advice by GPs. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 753 OP 753 VO 49 IS 446 A1 B Hanratty A1 D Lawlor YR 1999 UL http://bjgp.org/content/49/446/753.1.abstract AB