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Hume SP, Lammertsma AA, Bench CJ, Pike VW, Pascali C, Cremer JE, Dolan RJ.Hume SP, et al. Among authors: lammertsma aa.Int J Rad Appl Instrum B. 1992 Nov;19(8):851-5. doi: 10.1016/0883-2897(92)90171-t.Int J Rad Appl Instrum B. 1992.PMID: 1428913