Effect of obstructive sleep apnea syndrome on sleep architecture: comparative study between geriatrics and middle-aged adult patients by Rana H El-Helbawy, Zeinab A Kasemy, Hanaa A Eid

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Exploring laser acupuncture effects and immunoglobulin E response in atopic asthma: can it revolutionize future treatment? by Rana H El-Helbawy, Akram Abdele-Azizb, Hany Elsisib, Hanan Hassanb

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Polysomnography in women: is there any difference between childbearing period and menopause? by Rana H El Helbawy, Heba M Abo Shady, Amal A El-Koa

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Diagnostic utility of GeneXpert MTB/RIF assay versus conventional methods for diagnosis of pulmonary and extra-pulmonary tuberculosis by Asmaa Mohammed Elbrolosy, Rana H. El Helbawy, Osama M. Mansour, Reda Abdel Latif

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Utility of chest ultrasonography and pulmonary infection score in early diagnosis of ventilator-associated pneumonia by Rana H El-Helbawy, Mohammed A Agha, Rehab M Habib, Reda A Ibrahim

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Utility by Mohammed A. Agha, Rana H. El-Helbawy, Nessrin G. El-Helbawy, Neveen M. El-Sheak

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Vitamin D level and mean platelet volume in patients with obstructive sleep apnea syndrome by Nourane Y Azab, Rabab A El-Wahsh, Rana H El-Helbawy, Yasser A El-Ghobashy, Hebatallah A Sharaf El-Din

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Cryotherapy and electrocautery in the management of malignant endobronchial neoplasms by Hisham E Abdel-Aaty, Ramadan M Bakr, Ibrahim I El-Mahallawy, Rana H El-Helbawy, Sabah A Hussein, Asmaa M Abdel-Tawab

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