Unusual sinus tumors. (I. Hemangiopericytoma, II. Benign osteoblastoma). Case reports.
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Bone Neoplasms↗
Biomedical subjects
D B POWELL
Publications and source records attributed to D B POWELL.
Radiation sterilization.
The sterilization by radiation of disposable medical items has been investigated. Various vegetative and spore-bearing bacteria have been irradiated and results indicate that 2.5 Mrad can be recommended to give a high degree of sterility. Spores of B. pumilus (E.601) showed such resistance that it might be a suitable test organism for determining the efficiency of a radiation treatment. A high standard of packaging must be demanded for pre-sterilized products.
Radiation↗
Drugs and ototoxicity.
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Anti-Bacterial Agents↗