CRP and acute myocardial infarction: The keywords of the blue cluster were trimethylamine n-oxide, metabolism, phosphatidylcholine, stroke, red meat, etc. The keywords of the yellow cluster were gut microbiota, cardiovascular risk-factors, acute myocardial infarction, biomarker, nutrition, etc. The keywords of the purple cluster were atherosclerosis, endothelial dysfunction, c-reactive protein, mediterranean diet, low density lipoprotein, etc. The keywords of the dark blue cluster were myocardial infarction, bile acids, blood pressure, chain fatty acids, etc.