Combination Versus Monotherapy for Carbapenem-Resistant Acinetobacter Species Serious Infections: A Prospective IPTW Adjusted Cohort Study by Manesh, A, George, MM, Palanikumar, P, Nagaraj, V, Bhanuprasad, K, Krishnan, R, Nivetha, G, Lal, B, Triveni, KR, Gautam, P, George, B, Kulkarni, U, Mathews, V, Subramani, K, Rao, S, Chacko, B, Zachariah, A, Sathyendra, S, Hansdak, SG, Abraham, OC, Iyadurai, R, Karthik, R, Peter, JV, Mo, Y