@article{24372,
  title = {A cluster randomised, crossover, registry-embedded clinical trial of proton pump inhibitors versus histamine-2 receptor blockers for ulcer prophylaxis therapy in the intensive care unit (PEPTIC study): Study protocol},
  year = {2018},
  journal = {Critical Care and Resuscitation},
  volume = {20},
  pages = {182 - 189},
}