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Kurantsin-Mills J, Jacobs HM, Siegel R, Cassidy MM, Lessin LS.Kurantsin-Mills J, et al. Among authors: lessin ls.Int J Rad Appl Instrum B. 1989;16(8):821-7. doi: 10.1016/0883-2897(89)90167-0.Int J Rad Appl Instrum B. 1989.PMID: 2516078