1. Practical Considerations for the Diagnosis and Management of Asthma in Older Adults 
Barbara P. Yawn, MD, MSc, MSPH, MeiLan K. Han, MD, MS 
Mayo Clinic Proceedings 
Volume 92, Issue 11, Pages (November 2017)
DOI: /j.mayocp
Copyright © 2017 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Figure
Schematic representation of proposed asthma phenotypes and association with age at diagnosis.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2017 Mayo Foundation for Medical Education and Research Terms and Conditions