The APS Journal Legacy Content is the corpus of 100 years of historical scientific research from the American Physiological Society research journals. This package goes back to the first issue of each of the APS journals including the American Journal of Physiology, first published in 1898. The full text scanned images of the printed pages are easily searchable. Downloads quickly in PDF format.

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The theoretical and practical advantages of the flexible-leaflet prosthetic aortic valve make it worthy of continued development. Laboratory and clinical experience with a precision-molded, single-unit, tricuspid silicone rubber prosthesis suggest that the problems of materials, construction, and performance have been overcome. The use of a suitable elastomer in a precision casting with an anticlotting surface coating has resulted in a leaflet prosthesis the long-term functional performance of which should compare favorably with any device currently in use.

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