2024-11-0920160043-532510.1007/s00508-016-1022-92-s2.0-84977134215http://dx.doi.org/10.1007/s00508-016-1022-9https://hdl.handle.net/20.500.14288/13245N/AMedicineGeneral and internal medicineThe neutrophil-lymphocyte ratio as an inflammatory marker in acute exacerbation of COPDLetter1613-7671385060700011Q33707