R J van Tuinen

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Internal contamination of personnel preparing 99mTc labeled radiopharmaceuticals was confirmed by detection of radioactivity in urine. Observation of work habits, whole-body scanner studies, nose swabs, and wipe tests in the hot laboratory demonstrated that: (a) contamination of the laboratory coat occurred during radiopharmaceutical preparation; (b) the(More)
Sensitometric measurements of scintillation camera images show that substantial changes in film response occur with variations in imaging time or dot focus. Both the speed and the slope of the film characteristic curve are affected. The phenomenon responsible for the variation in response is referred to as "film reciprocity law failure" and is inherent in(More)
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