Analysis of related risk factors in patients with chronic obstructive pulmonary disease and pulmonary embolism and changes in intestinal flora, plasma N-terminal pro-brain natriuretic peptide and D-dimer levels
Analysis of risk factors associated with chronic obstructive pulmonary disease combined with pulmonary embolism patients, as well as changes in the levels of intestinal bacteria, plasma N-end sodium peptide pregenits, and D-D-djusters
Analysis of related risk factors and changes of intestinal flora, plasma N-terminal pro brain natriuretic peptide and D-dimer in patients with chronic obstructive pulmonary disease complicated with pulmonary embolism<br>