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Valenstein P, Walsh M; College of American Pathologists.Valenstein P, et al.Arch Pathol Lab Med. 2003 Nov;127(11):1421-3. doi: 10.5858/2003-127-1421-FFOROT.Arch Pathol Lab Med. 2003.PMID: 14567727Free article.
Jones BA, Bekeris LG, Nakhleh RE, Walsh MK, Valenstein PN; College of American Pathologists.Jones BA, et al.Arch Pathol Lab Med. 2009 Jan;133(1):38-43. doi: 10.5858/133.1.38.Arch Pathol Lab Med. 2009.PMID: 19123734Free article.