Rutgers, S., Postma, D., ten, H., Kauffman, H., van der Mark, T. W., Koeter, G., & Timens, W. (2000). Ongoing airway inflammation in patients with COPD who do not currently smoke. BMJ Group.

Rutgers, S., D. Postma, H. ten, H. Kauffman, T. W. van der Mark, G. Koeter, و W. Timens. Ongoing Airway Inflammation in Patients With COPD Who Do Not currently Smoke. BMJ Group, 2000.

Rutgers, S., et al. Ongoing Airway Inflammation in Patients With COPD Who Do Not currently Smoke. BMJ Group, 2000.