TY  - RPRT
TI  - An experimental aortic valve.
AU  - E P RYAN
AU  - G JOHNSON
AU  - J M BEAL
PY  - 1957
DO  - 10.3181/00379727-94-22949
UR  - https://pubmed.ncbi.nlm.nih.gov/13408263/
ID  - 13408263
ER  -