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A Randomized Trial of Direct Mailing of Fecal Occult Blood Tests To Increase Colorectal Cancer Screening The following colorectal cancer screening questionnaire accompanies the Article by Church et al., J Natl Cancer Inst 2004;96:770-780: Files in this Data Supplement:
J. Natl. Cancer Inst. Church et al.
96: 770
Screening Questionnaire
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