Variation in demographic and clinical characteristics of Patients with COPD receiving care in U.S. primary care : data from the Advancing the Patient EXperience (APEX) in COPD registry

Fox, C, Pace, W D, Brandt, E, Chang, K-L, Edwards, C L, Evans, A, Gaona , G, Han, M K, Kaplan, A, Kent, R, Kocks, J WH, Kruszyk BEng, M, Le Lievre, C E, Li Voti, T, Mahle, C, Make, B, Ratigan, A R, Shaikh, A, Skolnik, N, Stanley, B, Yawn, B P & Price, D 2022, 'Variation in demographic and clinical characteristics of Patients with COPD receiving care in U.S. primary care : data from the Advancing the Patient EXperience (APEX) in COPD registry ', Pragmatic and Observational Research, vol. 2022, no. 13, pp. 17-31. https://doi.org/10.2147/POR.S342736