TY  - RPRT
TI  - Mitral disc-valve variance.
AU  - R B Berroya
AU  - F B Escano
PY  - 1972
DO  - 10.1136/thx.27.1.87
UR  - https://pubmed.ncbi.nlm.nih.gov/5017573/
ID  - 5017573
ER  -