@article{doi:10.1001/jama.1989.03420040124032,
author = {Knight KK and Fielding JE and Battista RN},
title = {OCcult blood screening for colorectal cancer},
journal = {JAMA},
volume = {261},
number = {4},
pages = {586-593},
year = {1989},
doi = {10.1001/jama.1989.03420040124032},
URL = { + http://dx.doi.org/10.1001/jama.1989.03420040124032},
eprint = {/data/Journals/JAMA/9139/jama_261_4_032.pdf}
}