Title Letter to the editor regarding ‘‘Galen’s place in Avicenna’s The Canon of Medicine: Respect, confirmation and criticism” Type of Research Article Keywords - Abstract - Researchers Mostafa Araj-Khodaei (First Researcher)، javad ghazi sha'rbaf (Second Researcher)، Somaiyeh Taheri Targhi (Third Researcher)، reza mohammadi nasab (Fourth Researcher)