His main research concerns Asthma, Occupational asthma, Internal medicine, Immunology and Methacholine. The concepts of his Asthma study are interwoven with issues in Physical therapy, Surgery, Allergy and Occupational disease. His studies deal with areas such as Inhalation, Epidemiology, Occupational medicine, Bronchial hyperresponsiveness and Intensive care medicine as well as Occupational asthma.
His Internal medicine research includes themes of Gastroenterology and Sputum. His Methacholine research is multidisciplinary, incorporating elements of Airway obstruction, Anesthesia, Airway, FEV1/FVC ratio and Respiratory system. The various areas that he examines in his Family medicine study include Non-allergic rhinitis, Bilastine, Azelastine, Allergen immunotherapy and Nonallergic rhinitis.