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心搏量是评定心功能的一项重要指标。应用染料稀释法测定心搏血量由来已久。但测定老年人心搏量的报导尚少。我们于1981年对72名居住兰州地区十年
Stroke volume is an important indicator of cardiac function. Dye dilution method for the determination of cardiac blood has a long time. However, the measurement of stroke volume in the elderly is still low. In 1981, we lived in Lanzhou for 72 years