老年、孤独和死亡下的尊严——《被遗弃的威塞奥尔奶奶》与《熟路》中两位奶奶之比较
Published in 科教文汇 • Jan 1, 2008
Authors:
涂慧琴
Abstract
Cardiopulmonary bypass (CPB) has improved a great deal since its first applications in the early 1950s. If improvements are to be continued, a preclinical model of CPB for small animals is desirable, mainly because of convenience of equipment and low costs. We review the different models of CPB for ...
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