Effect of Gualou Xiebai Banxia decoction combined with Xuefu Zhuyu decoction on myocardial apoptosis and relevant protein expressions in miniature swine phlegm and blood stasis type coronary heart disease model Comparative study on early application of the recipe for activating blood circulation and the recipe for supplementing qi for inhibiting left ventricular remodeling and apoptosis in rats with heart failure