RT Journal Article SR Electronic T1 Presymptomatic screening. The first hundred women. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 45 OP 50 VO 16 IS 1 A1 Hendry, D. W. YR 1968 UL http://bjgp.org/content/16/1/45.abstract AB