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Mahmood J, Jelveh S, Calveley V, Zaidi A, Doctrow SR, Hill RP.Mahmood J, et al. Among authors: hill rp.Radiat Res. 2011 Dec;176(6):770-80. doi: 10.1667/rr2562.1. Epub 2011 Oct 20.Radiat Res. 2011.PMID: 22013884Free PMC article.
Newcomb CH, Van Dyk J, Hill RP.Newcomb CH, et al. Among authors: hill rp.Radiother Oncol. 1993 Jan;26(1):51-63. doi: 10.1016/0167-8140(93)90026-5.Radiother Oncol. 1993.PMID: 8438087