SAMUEL SCHWARTZ, M.D.; JAMES F. MARVIN, M.S.; JOHN A. LAYNE, M.D.; CECIL JAMES WATSON, M.D., F.A.C.P.
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Toluene preservatives of urine from pellagrins and from certain other patients suffering from malnutrition of one cause or another have been observed in many instances to develop a pink or deep red color upon standing.1, 2, 3 The development of this red pigment appears not to depend upon the presence of nicotinic acid deficiency, since it was observed in the preservatives of urines from patients who did not have any evidence of this deficiency.3 No change was seen in the toluene preservatives of 72 urines from 54 individuals who were normal, or who had arthritis, but no evidence of other
SCHWARTZ S, MARVIN JF, LAYNE JA, WATSON CJ. STUDIES OF URINARY PIGMENTS IN PELLAGRA AND OTHER PATHOLOGICAL STATES. III. CERTAIN TOLUENE SOLUBLE PIGMENTS OF HUMAN AND CANINE URINE1. Ann Intern Med. ;19:206–212. doi: 10.7326/0003-4819-19-2-206
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Published: Ann Intern Med. 1943;19(2):206-212.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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