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Colp C, Park SS, Williams MH Jr.Colp C, et al.Ann N Y Acad Sci. 1976;278:301-7. doi: 10.1111/j.1749-6632.1976.tb47041.x.Ann N Y Acad Sci. 1976.PMID: 1067015No abstract available.
STEIN M, COLP CR.STEIN M, et al. Among authors: colp cr.J Am Med Assoc. 1960 Jun 11;173:671-4. doi: 10.1001/jama.1960.73020240011010e.J Am Med Assoc. 1960.PMID: 13834126No abstract available.