Incidence of pressure ulcers due to prone position in patients admitted to the ICU for Covid-19 E. Pérez-Juan; M. Maqueda-Palau; C. Feliu-Roig; J.M. Gómez-Arroyo; D. Sáez-Romero; A. Ortiz-Monjo;

Ultrasound-guided puncture vs conventional technique for arterial blood gas analysis sampling in adults: A systematic review P. Romo-Miguel; S. Ballesteros-Peña;