TY  - RPRT
TI  - A knife for mitral valvotomy.
AU  - V C THOMPSON
PY  - 1954
DO  - 10.1016/s0140-6736(54)92113-3
UR  - https://pubmed.ncbi.nlm.nih.gov/13143761/
ID  - 13143761
ER  -