., Sriwidodo, Iman P. Maksum, N Riswanto, Tina Rostinawati, & Toto Subroto. " Extracellular secretion recombinant of human epidermal growth factor (hEGF) using pectate lyase B (PelB) signal peptide in escherichia coli BL21(DE3)." International Journal of Research in Pharmaceutical Sciences [Online], 8.1 (2017): 33-40. Web. 15 Dec. 2017