论文部分内容阅读
Mouse blastocysts were exposed to doses of 0,1 and 10 μmol/L retinoic acid(RA) for 24 h and the cytotoxic effect of RA on the mouse blastocysts in vitro was observed.FITC-labeled terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling(TUNEL-