Authors: Mapel, DW Picchi, MA Hurley, JS Frost, FJ Petersen, HV Mapel, VM Coultas, DB

Citation: Dw. Mapel et al., Utilization in COPD - Patient characteristics and diagnostic evaluation, CHEST, 117(5), 2000, pp. 346S-353S

Authors: Mapel, DW Hurley, JS Frost, FJ Petersen, HV Picchi, MA Coultas, DB

Citation: Dw. Mapel et al., Health care utilization in chronic obstructive pulmonary disease - A case-control study in a health maintenance organization, ARCH IN MED, 160(17), 2000, pp. 2653-2658