TY  - RPRT
TI  - Clinical problem-solving: assessing aortic valvular insufficiency.
AU  - A Burger
AU  - M Kamalesh
PY  - 1994
DO  - 10.1056/nejm199403313301319
UR  - https://pubmed.ncbi.nlm.nih.gov/8114881/
ID  - 8114881
ER  -