RT Journal Article SR Electronic T1 Advising patients on the risks of oral contraception. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 96 OP 99 VO 22 IS 115 A1 S. Black A1 K. Watts YR 1972 UL http://bjgp.org/content/22/115/96.abstract AB