TY  - RPRT
TI  - Does mitral stenosis need invasive investigation?
AU  - S Nitter-Hauge
PY  - 1991
DO  - 10.1093/eurheartj/12.suppl_b.81
UR  - https://pubmed.ncbi.nlm.nih.gov/1936032/
ID  - 1936032
ER  -