Complications and degree of difficulty of orotracheal intubation in the intensive care unit before and after the establishment of an intubation protocol for critically ill patients: A prospective, observational study

1. Taboada, M.
2. Almeida, X.
3. Cariñena, A.
4. Costa, J.
5. Carmona-Monge, J.
6. Agilda, A.
7. Barreiro, L.
8. Castillo, J.
9. Williams, K.
10. Segurola, J.
11. Álvarez, J.
12. Seoane-Pillado, T.