%0 Journal Article %T Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial %A Alberto Romero-Palacios %A Alex Carignan %A C. David Mazer %A Dominik Mertz %A Mark Loeb %A Rachel B. van Oostveen %A Richard Whitlock %A Shun Fu Lee %A Stuart Connolly %J Archive of "Trials". %D 2018 %R 10.1186/s13063-018-3080-y %K antibiotic prophylaxis %K cardiac surgery %K cluster crossover trial %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6296086/