Zhao Xiaoyun, Ling Yiling, Shang Zhonglin, Li Qing, Yin Jingxiang, Tan Guojun. Cholecystokinin octapeptide increases free intracellular calcium of guinea pig cardiomyocytes through activation of Ca~(2+) channel and tyrosine kinase. Acta Physiol Sin 2004; 56 (1): (in Chinese with English abstract).