Methods: Blood and brain contents of Ca 2+ , CaM were examined by radio immunoassay (RIA) and atomic absorption spectrometry(AAS), and effect of PNS on these parameters was observed in craniocerebral injury rabbits.

• 方法：应用放射免疫法、原子吸收分光光度法测定动物血及脑组织中钙（Ca2＋）、钙调蛋白（CaM）含量，观察三七总皂甙对动物脑损伤后上述指标改变的影响。