Ahead of Print policy

Articles published online under the Ahead of Print model are considered published and can be cited and quoted using the DOI as the reference source. Wolters Kluwer Medknow has a policy that changes will not be made after publication of an article without following accepted procedures for making corrections to the scientific record.

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Plasma surfactant protein-D as a potential biomarker in idiopathic pulmonary fibrosis
Mohamed A El Nady, Safy Z Kaddah, Yasmine H El Hinnawy, Radwa M. A Halim, Reham H Kandeel
Diagnostic value of calprotectin in differentiation between benign and malignant pleural effusion
Omar M Mohammed, Kamel M Hussein, Abdelgawad E Ramadan, Gouda T Mahmoud, Marwa El-Sayed El-Naggar, Nor Eldein Z Gaber
Assessment of diaphragmatic mobility by chest ultrasound in patients with chronic obstructive pulmonary disease on different modes of mechanical ventilation
Adel M Saeed, Ashraf A El Maraghy, Riham H Raafat, Ahmed M Abd Elsamad