Schatz, Michael; Mosen, David M.; Kosinski, Mark; Vollmer, William M.; Magid, David J.; O'Connor, Elizabeth; Zeiger, Robert S. . (2007). The Relationship Between Asthma-Specific Quality of Life and Asthma Control. Journal of Asthma, 44(5), 391–395.
doi:10.1080/02770900701364296