Books by Lung National Heart:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
National Heart, Lung, and Blood Institute. Working Group on Physicochemical Characterization of Biomaterials: Guidelines for physicochemical characterization of biomaterials, April 1979 (U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, 1980), also by National Heart, Lung, and Blood Institute, Lung National Heart, and National Institutes of Health (U.S.) (page images at HathiTrust)
Find more by Lung National Heart at your library, or elsewhere.