ONGOING RESEARCH:
• COPD: epidemiology and pattern in the outpatient clinic.
• Asthma genetic study in Saudi population.
• Pulmonary hypertension and response to treatment
• Kassimi FA, Al-Hajjaj MS, Al-Hamad E et al . Role of bronchial biobsy in differentiating asthma from COPD in smokers.
• Al-Hajjaj MS, Alanezi MO, Al-Jahdlai HH et.al Spirometric standard measurements for healthy lifetime non-smoking adults in Saudi Arabia. A multi-center research project sponsored by KACST
• Prevalence of asthma and rhinitis symptoms among secondary school students in Saudi Arabia