Type '% s' needs finalization-not allowed In variant record 类型'%s'需要初始化-不允许在变体记录
Methods: With the standard microelectrode technique to record action potential and whole-cell variant patch-clamp technique to record calcium and potassium current. 方法:用常规细胞内微电极方法记录豚鼠心室肌细胞动作电位,用全细胞膜片钳技术记录游离心室肌细胞离子流。