Studies on Chemical Constituents of Rabdosia nervosa (Hemsl )C.Y. Wu et H. W.Li Effects of rare-earth elements La3+and Ce3+ on the growth of Rabdosia rubescens regeneration plant and the accumulation of main secondary metabolites Apoptosis inducing effect of ponicidin in leukemia K562 cells and its mechanisms of action Quality evaluation of Rabdosiae Rubescentis Herba from different areas by HPLC-PDA fingerprint combined with principle component analysis