(Q50801379)
Statements
Left ventricular ejection fraction measured with Doppler color flow mapping techniques. (English)
1 reference
Bengur AR
1 reference
Snider AR
1 reference
Vermilion RP
1 reference
Freeland JC
1 reference
1 September 1991
1 reference
68
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6
1 reference
669-673
1 reference