miR-140 is low expressed in osteosarcoma tissues and the over expression of miRNA-140 can promote the apoptosis of osteosarcoma cell line U2 in vitro

miR-140 is low expressed in osteosarcoma tissues and the over expression of miRNA-140 can promote the apoptosis of osteosarcoma cell line U2 in vitro Basic & Clinical Medicine . 2016, (4): 439 -444 .