TY - GEN AU - Kumar,Sachin AU - Chandra,Sandipan TI - Ultrasound assessment of the diaphragm in patients with COPD SN - 1931-3543 PY - 2015///0408 KW - Diaphragm KW - diagnostic imaging KW - Female KW - Humans KW - Male KW - Pulmonary Disease, Chronic Obstructive KW - Ultrasonography KW - methods N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1378/chest.14-1095 ER -