RT Journal Article SR Electronic T1 Fecal occult blood testing for colorectal cancer screening. JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 1615 OP 1616 VO 51 IS 12 A1 Kiefer, L YR 2005 UL http://www.cfp.ca/content/51/12/1615.abstract AB