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Francis CW, Müller E, Henschen A, Simpson PJ, Marder VJ.Francis CW, et al. Among authors: henschen a.Proc Natl Acad Sci U S A. 1988 May;85(10):3358-62. doi: 10.1073/pnas.85.10.3358.Proc Natl Acad Sci U S A. 1988.PMID: 3368448Free PMC article.
Calvete JJ, Schäfer W, Henschen A, Gonzalez-Rodriquez J.Calvete JJ, et al. Among authors: henschen a.FEBS Lett. 1990 Apr 9;263(1):43-6. doi: 10.1016/0014-5793(90)80701-j.FEBS Lett. 1990.PMID: 2332052Free article.