Comment on

• Hemoccult screening in detecting colorectal neoplasm: sensitivity, specificity, and predictive value. Long-term follow-up in a large group practice setting.

  Allison JE, Feldman R, Tekawa IS. Allison JE, et al. Ann Intern Med. 1990 Mar 1;112(5):328-33. doi: 10.7326/0003-4819-112-5-328. Ann Intern Med. 1990. PMID: 2407166