Morphology of heart valves preserved by liquid nitrogen freezing
As a preliminary to establishing a frozen valve bank for replacement surgery, the possible effects of the proposed freezing and thawing procedure on tissue structure were assessed in 16 human pulmonary valves removed from cadavers at necropsy and nine dog valves obtained fresh. The valves were froze...
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Veröffentlicht in: | Thorax 1985-10, Vol.40 (10), p.778-786 |
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