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Arthur DW, Schmidt-Ullrich RK, Friedman RB, Wazer DE, Kachnic LA, Amir C, Bear HD, Hackney MH, Smith TJ, Lawrence W Jr.Arthur DW, et al. Among authors: kachnic la.Int J Radiat Oncol Biol Phys. 1999 May 1;44(2):289-96. doi: 10.1016/s0360-3016(99)00019-x.Int J Radiat Oncol Biol Phys. 1999.PMID: 10760421