Zhang, Y., Quan, R.-F., Cheng, W.-S., Ye, Z.-M., Li, W.-X. and Yang, D.-S. 2014. Phenotypic characterization of drug resistance and tumor initiating cancer stem cells from human bone tumor osteosarcoma cell line OS-77. Bangladesh Journal of Pharmacology. 9, 3 (Sep. 2014), 437–442. DOI:https://doi.org/10.3329/bjp.v9i3.19891.