Drupal-Bibcite0<style face="normal" font="default" size="100%">Shift in the microbial ecology of a hospital hot water system following the introduction of an on-site monochloramine disinfection system</style><style face="normal" font="default" size="100%">Shift in the microbial ecology of a hospital hot water system following the introduction of an on-site monochloramine disinfection system</style>