Document Type : Original research articles
Authors
1 Department of Physical Medicine, Rheumatology and Rehabilitation, Faculty of Medicine, Al-Azhar University (Assiut Branch), Assuit, Egypt
2 Department of Physical Medicine, Rheumatology and Rehabilitation, Faculty of Medicine, South valley University, Qena, Egypt
3 Department of Chest Diseases, Faculty of Medicine, South valley University, Qena, Egypt
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