The prevalence of gram-negative bacteria with difficult-to-treat resistance and utilization of novel β-lactam antibiotics in the southeastern United States oleh Y. Vivian Tsai, P. Brandon Bookstaver, Joseph Kohn, Julie Ann Justo, Darrell Childress, Stefanie Stramel, Douglas Slain, Patrick Tu, Mary Joyce B. Wingler, Bruce M. Jones, Daniel T. Anderson, Megan M. Seddon, David A. Cretella, Joshua Eudy, Hana Winders, Kayla Antosz, Pamela Bailey, Majdi N. Al-Hasan