RT Journal Article SR Electronic T1 AN EPIDEMIOLOGIST'S VIEW OF SCREENING PROCEDURES (By title) JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 42 OP 42 VO 16 IS Suppl 2 A1 Cochrane, A. L. YR 1968 UL http://bjgp.org/content/16/Suppl_2/42.abstract AB