Open AccessSeverity of COPD at initial spirometry-confirmed diagnosis: data from medical charts and administrative claims
Author(s) -
Anand A. Dalal,
Jane Saiers
Publication year - 2011
Publication title -
carolina digital repository (university of north carolina at chapel hill)
Language(s) - English
DOI - 10.17615/b4ge-z562
Subject(s) - spirometry , copd , medicine , emergency medicine , physical therapy , asthma