Effect of calcium supplementation on the risk of large bowel polyps.
Wallace K, Baron JA, Cole BF, Sandler RS, Karagas MR, Beach MA, Haile RW, Burke CA, Pearson LH, Mandel JS, Rothstein R, Snover DC.
Wallace K, et al.
J Natl Cancer Inst. 2004 Jun 16;96(12):921-5. doi: 10.1093/jnci/djh165.
J Natl Cancer Inst. 2004.
PMID: 15199111
Clinical Trial.