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Stewart HJ, Prescott RJ, Forrest AP.Stewart HJ, et al. Among authors: forrest ap.J Natl Cancer Inst. 2001 Mar 21;93(6):456-62. doi: 10.1093/jnci/93.6.456.J Natl Cancer Inst. 2001.PMID: 11259471Clinical Trial.
Anderson TJ, Alexander FE, Lamb J, Smith A, Forrest AP.Anderson TJ, et al. Among authors: forrest ap.Br J Cancer. 2000 Aug;83(4):487-92. doi: 10.1054/bjoc.2000.1286.Br J Cancer. 2000.PMID: 10945496Free PMC article.Clinical Trial.