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Mathias CJ, Sun YZ, Welch MJ, Green MA, Thomas JA, Wade KR, Martell AE.Mathias CJ, et al. Among authors: welch mj.Int J Rad Appl Instrum B. 1988;15(1):69-81. doi: 10.1016/0883-2897(88)90163-8.Int J Rad Appl Instrum B. 1988.PMID: 3258304
Sun X, Kim J, Martell AE, Welch MJ, Anderson CJ.Sun X, et al. Among authors: welch mj.Nucl Med Biol. 2004 Nov;31(8):1051-9. doi: 10.1016/j.nucmedbio.2004.08.011.Nucl Med Biol. 2004.PMID: 15607487
Schwarz SW, Mathias CJ, Sun JY, Dilley WG, Wells SA Jr, Martell AE, Welch MJ.Schwarz SW, et al. Among authors: welch mj.Int J Rad Appl Instrum B. 1991;18(5):477-81. doi: 10.1016/0883-2897(91)90108-w.Int J Rad Appl Instrum B. 1991.PMID: 1917517
Sun Y, Mathias CJ, Welch MJ, Madsen SL, Martell AE.Sun Y, et al. Among authors: welch mj.Int J Rad Appl Instrum B. 1991;18(3):323-30. doi: 10.1016/0883-2897(91)90128-8.Int J Rad Appl Instrum B. 1991.PMID: 2071445