Gamma-radiation of heart valves at 4° C; a comparative study using techniques of histochemistry and electron and light microscopy

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RESUMO

The optimal method of valve sterilization and storage is still not known. Pig aortic valve cusps have been studied using techniques of histochemistry, light microscopy, and electron microscopy, and the effects of gamma-radiation at 4° C have been determined. The effects of freezing, β-propriolactone, and freeze-drying were also studied.

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