FRANK A. LIZZI, M.D.
To the editor: I would like to point out an error in the otherwise quite thorough report by Glasser and Walker, entitled "Transitions Among the Myelopro-liferative Disorders" (Ann Intern Med 71: 285-307, 1969).
In referring to a patient reported by Kemp, Stafford, and Tanner (1), the authors state that "no karyotypes were presented for analysis" to substantiate the presence of the Philadelphia chromosome. In point of fact, however, in the report by Kemp and associates two karyotypes are illustrated showing the Ph1 chromosome in their patient.
FRANK A. LIZZI. Correction re Myeloproliferative Disorders. Ann Intern Med. 1970;72:148. doi: 10.7326/0003-4819-72-1-148_1
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Published: Ann Intern Med. 1970;72(1):148.
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