TY - GEN AU - Chan,Chee M AU - Colice,Gene L AU - Shorr,Andrew F TI - The clot thickens SN - 1931-3543 PY - 2009///0409 KW - Dyspnea KW - etiology KW - Humans KW - Pulmonary Disease, Chronic Obstructive KW - complications KW - Pulmonary Embolism KW - diagnosis N1 - Publication Type: Comment; Editorial UR - https://doi.org/10.1378/chest.08-2810 ER -