TY - GEN AU - Cooke,Colin R AU - Joo,Min J AU - Anderson,Stephen M AU - Lee,Todd A AU - Udris,Edmunds M AU - Johnson,Eric AU - Au,David H TI - The validity of using ICD-9 codes and pharmacy records to identify patients with chronic obstructive pulmonary disease SN - 1472-6963 PY - 2011///0622 KW - Aged KW - Female KW - Humans KW - International Classification of Diseases KW - Logistic Models KW - Male KW - Medical Records KW - Middle Aged KW - Pharmacies KW - statistics & numerical data KW - Pulmonary Disease, Chronic Obstructive KW - diagnosis KW - United States KW - epidemiology KW - United States Department of Veterans Affairs N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Validation Study UR - https://doi.org/10.1186/1472-6963-11-37 ER -