Comment on

• A comparative study of fecal occult blood tests for early detection of gastrointestinal pathology.

  Stelling HP, Maimon HN, Smith RA, Haddy RI, Markert RJ. Stelling HP, et al. Arch Intern Med. 1990 May;150(5):1001-5. Arch Intern Med. 1990. PMID: 2331181
• Colorectal cancer detection in the practice setting. Impact of fecal blood testing.

  Ahlquist DA, Klee GG, McGill DB, Ellesfon RD. Ahlquist DA, et al. Arch Intern Med. 1990 May;150(5):1041-5. Arch Intern Med. 1990. PMID: 2331185