Siva Maran, MD; Thomas P. Short, MD; Eapen Thomas, MD
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To the Editors: In their recent article, Fleisher and colleagues (1) stressed the need to pay careful attention to visual interpretation of the fecal occult blood test using Hemoccult II slides (SmithKline Diagnostics, Inc., San Jose, California). We request clarification of the following points: What were the volumes of blood and stool used to yield "moderately positive" and "strongly positive" results? What were the specific "instructions" given to the evaluators who were asked to read the samples? Were evaluators shown color pictures of "negative," "moderately positive," and "strongly positive" specimens? We feel it would be beneficial to have these data
Maran S, Short TP, Thomas E. Standardizing Fecal Occult Blood Testing. Ann Intern Med. 1991;115:576–577. doi: 10.7326/0003-4819-115-7-576_2
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Published: Ann Intern Med. 1991;115(7):576-577.
Cancer Screening/Prevention, Colorectal Cancer, Gastroenterology/Hepatology, Gastrointestinal Cancer, Hematology/Oncology.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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