Timing of elective tracheotomy and duration of mechanical ventilation amongst patients admitted to intensive care with severe CO
![Risk of contagion of SARS-CoV-2 among otorhinolaryngologists in Spain during the "Two waves". - Abstract - Europe PMC Risk of contagion of SARS-CoV-2 among otorhinolaryngologists in Spain during the "Two waves". - Abstract - Europe PMC](https://europepmc.org/articles/PMC7814253/bin/405_2020_6582_Fig2_HTML.jpg)
Risk of contagion of SARS-CoV-2 among otorhinolaryngologists in Spain during the "Two waves". - Abstract - Europe PMC
![Risk of contagion of SARS-CoV-2 among otorhinolaryngologists in Spain during the "Two waves". - Abstract - Europe PMC Risk of contagion of SARS-CoV-2 among otorhinolaryngologists in Spain during the "Two waves". - Abstract - Europe PMC](https://europepmc.org/articles/PMC7814253/bin/405_2020_6582_Fig1_HTML.jpg)
Risk of contagion of SARS-CoV-2 among otorhinolaryngologists in Spain during the "Two waves". - Abstract - Europe PMC
![PDF) Elective surgery system strengthening: development, measurement, and validation of the surgical preparedness index across 1632 hospitals in 119 countries PDF) Elective surgery system strengthening: development, measurement, and validation of the surgical preparedness index across 1632 hospitals in 119 countries](https://i1.rgstatic.net/publication/365047408_Elective_surgery_system_strengthening_development_measurement_and_validation_of_the_surgical_preparedness_index_across_1632_hospitals_in_119_countries/links/6365189d54eb5f547ca279cf/largepreview.png)