TY  - RPRT
TI  - Mitral valve replacement using aortic heterografts.
AU  - D W Schwartz
AU  - D S Thearle
AU  - D G Mulder
PY  - 1969
UR  - https://pubmed.ncbi.nlm.nih.gov/4885449/
ID  - 4885449
ER  -