Laxmi, C. A., S. Munaliga, N. R. Babu, and R. Ragunathan. “Detection of Hdc Gene from Histamine Producing Bacillus Subtillis and Serratia Marcescens”. International Journal of Applied Sciences and Biotechnology, vol. 5, no. 3, Sept. 2017, pp. 309-12, doi:10.3126/ijasbt.v5i3.17826.