In vivo degradation of silicone rubber p
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Cuddihy, Edward F. ;Moacanin, Jovan ;Roschke, E. John ;Harrison, Earl C.
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Article
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1976
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John Wiley and Sons
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English
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## Abstract Dynamic shear modulus Gโฒ was measured throughout the volume of three nonvariant silicone rubber poppets which were recovered from aortic prosthetic heart valves that had been implanted for 4 days, 52 days, and 8 years. Similar measurements were obtained for two unused silicone rubber po