Al–Shammary, Amir H., et al. “Antiproliferative Effects of Porins Extracted from Klebsiella Pneumoniae on HL-60, NIH 3T3 and Human Foreskin Fibroblast Cell (HFFC) Lines Measured by ELISA Method”. Journal of Biotechnology Research Center, vol. 4, no. 1, Jan. 2010, pp. 28-35, doi:10.24126/jobrc.2010.4.1.88.