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Chen MG, Chen JS, Calissano P, Levi-Montalcini R.Chen MG, et al. Among authors: chen js.Proc Natl Acad Sci U S A. 1977 Dec;74(12):5559-63. doi: 10.1073/pnas.74.12.5559.Proc Natl Acad Sci U S A. 1977.PMID: 271981Free PMC article.
Levi A, Cimino M, Mercanti D, Chen JS, Calissano P.Levi A, et al. Among authors: chen js.Biochim Biophys Acta. 1975 Jul 14;399(1):50-60. doi: 10.1016/0304-4165(75)90210-x.Biochim Biophys Acta. 1975.PMID: 238651
Chen JS, Levi-Montalcini R.Chen JS, et al.Proc Natl Acad Sci U S A. 1970 May;66(1):32-9. doi: 10.1073/pnas.66.1.32.Proc Natl Acad Sci U S A. 1970.PMID: 16591833Free PMC article.
Chen JS, Chen MG.Chen JS, et al. Among authors: chen mg.Ann N Y Acad Sci. 2001 Sep;945:289-91. doi: 10.1111/j.1749-6632.2001.tb03897.x.Ann N Y Acad Sci. 2001.PMID: 11708491
Chen JS, Del Fa A, Di Luzio A, Calissano P.Chen JS, et al.Nature. 1976 Oct 14;263(5578):604-6. doi: 10.1038/263604a0.Nature. 1976.PMID: 980108No abstract available.