Wolters Kluwer Medknow Publications
Atatürk University
Wroclaw Medical University
Knowledge E
Oxford University Press
İstanbul Training and Research Hospital
Tabriz University of Medical Sciences
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Korean Medical Association
Hrvatski liječnički zbor
Shahid Sadoughi University of Medical Sciences
Karger Publishers
Institute of Rural Health
National Institute of Public Health - National Institute of Hygiene
South African Medical Association
Süleyman Demirel University