TY  - RPRT
TI  - Second closed mitral valvotomy for recurrent mitral stenosis.
AU  - K Fraser
AU  - B A Sugden
PY  - 1977
DO  - 10.1136/thx.32.6.759
UR  - https://pubmed.ncbi.nlm.nih.gov/601741/
ID  - 601741
ER  -