Zhao, L., Zhao, H., Liu, H. and Yang, X. 2018. Effect of Centrifugation on Competent Cells of Escherichia coli. IJRDO - JOURNAL OF BIOLOGICAL SCIENCE. 4, 9 (Sep. 2018), 18-20. DOI:https://doi.org/10.53555/bs.v4i9.2426.