1. Bergey's Manual of Determinative Bacteriology,1957
2. Heterologous Heart Valve Replacement;Burman,1969
3. Burman, S. O., Armellini, C., Scalabrini, B., and Franklin, M. Preparation of Heterograft Aortic Valves for Implantation. To be published.
4. Heterologous heart valve replacement;Burman;Bull. N.Y. Acad. Med.,1968
5. Factors modifying aortic homograft structure and functions;Harris;Surgery,1968