Text this: Susceptibility Testing for the Polymyxins: Two Steps Back, Three Steps Forward?

  _____    _    _    __   _      ___      _  __  
 / ____|| | || | || | || | ||   / _ \\   | |/ // 
/ //---`' | || | || | '--' ||  / //\ \\  | ' //  
\ \\___   | \\_/ || | .--. || |  ___  || | . \\  
 \_____||  \____//  |_|| |_|| |_||  |_|| |_|\_\\ 
  `----`    `---`   `-`  `-`  `-`   `-`  `-` --`