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Prenen GH, Go KG, Zuiderveen F, Paans AM, Vaalburg W.Prenen GH, et al. Among authors: paans am.Int J Rad Appl Instrum A. 1990;41(12):1209-16. doi: 10.1016/0883-2889(90)90208-x.Int J Rad Appl Instrum A. 1990.PMID: 1963420
Verhagen A, Elsinga PH, de Groot TJ, Paans AM, de Goeij CJ, Sluyser M, Vaalburg W.Verhagen A, et al. Among authors: paans am.Cancer Res. 1991 Apr 1;51(7):1930-3.Cancer Res. 1991.PMID: 2004378