Comparative study between using Lowenstein Jensen, Bio-FM media and mycobacteria growth indicator tube (MGIT) system in identification of Mycobacterium tuberculosis Study of anti nuclear and anti smooth muscle antibodies in patients with chronic obstructive pulmonary disease Study of serum Granzyme B in heavy cigarette smokers with and without chronic obstructive pulmonary disease Study of effect of inhaled versus oral corticosteroids on sputum granzyme B in patients with moderate persistent bronchial asthma Evaluation of serum interleukin-1 beta as an inflammatory marker in COPD patients Evaluation of Primary Health Care service participation in the National Tuberculosis Control Program in Qalyubia Governorate, Egypt Assessment of tuberculosis situation in Cairo governorate from 2006 to 2012 after application of directly observed therapy short-course strategy Evaluation of serum vitamin D and IgE in patients with bronchial asthma Study of the Helicobacter pylori infection in chronic obstructive pulmonary disease Evaluation of lipoarabinomannan in the diagnosis of tuberculosis The impact of metabolic syndrome on ventilatory pulmonary functions Effect of Oxygen Therapy by Venturi Mask versus Non Invasive Ventillation on the Outcome of Patients Who Devolope Hypoxia after Open Heart Surgery Comparative Study between an Ultrasound-Guided Techniqueversus Landmark-Guided Technique for Internal Jugular Vein Cannulation in end stage renal disease with regular dialysis who exposed to previous cannulations Assessment of the prevalence of depression in chronic obstructive pulmonary disease patients Effect of acute kidney injury on weaning from mechanical ventilation in chronic obstructive pulmonary diseases patients with respiratory failure