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van der Put NM, van der Molen EF, Kluijtmans LA, Heil SG, Trijbels JM, Eskes TK, Van Oppenraaij-Emmerzaal D, Banerjee R, Blom HJ.van der Put NM, et al. Among authors: blom hj.QJM. 1997 Aug;90(8):511-7. doi: 10.1093/qjmed/90.8.511.QJM. 1997.PMID: 9327029Free article.