P. G. Shah, S. R. Shah, S. D. Kamat, and D. V. Kamat, “COLISTIN-CARBAPENEM COMBINATION THERAPY AGAINST CARBAPENEM RESISTANT GRAM NEGATIVE BACILLI INFECTIONS: CLINICAL AND AN IN VITRO SYNERGY STUDY”, Int J Pharm Pharm Sci, vol. 6, no. 10, pp. 497–500, Oct. 2014.