European Medical Journal
Canadian Society of Respiratory Therapists
Elsevier
Mashhad University of Medical Sciences
Southwest Respiratory and Critical Care Chronicles
Adis, Springer Healthcare
Taylor & Francis Group
Wolters Kluwer Medknow Publications
Respirar
Wiley
Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Moscow, Russia
Wolters Kluwer Health/LWW
BMC
Universidad Estatal de Milagro
PAGEPress Publications