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Ray DB, Horst IA, Kowal J.Ray DB, et al. Among authors: kowal j.Proc Natl Acad Sci U S A. 1980 Aug;77(8):4648-52. doi: 10.1073/pnas.77.8.4648.Proc Natl Acad Sci U S A. 1980.PMID: 6254035Free PMC article.
Kowal J, Horst I, Pensky J, Alfonzo M.Kowal J, et al.Ann N Y Acad Sci. 1977 Oct 28;297:314-28. doi: 10.1111/j.1749-6632.1977.tb41863.x.Ann N Y Acad Sci. 1977.PMID: 211905No abstract available.