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Hiemstra HS, Duinkerken G, Benckhuijsen WE, Amons R, de Vries RR, Roep BO, Drijfhout JW.Hiemstra HS, et al. Among authors: roep bo.Proc Natl Acad Sci U S A. 1997 Sep 16;94(19):10313-8. doi: 10.1073/pnas.94.19.10313.Proc Natl Acad Sci U S A. 1997.PMID: 9294207Free PMC article.