Before visualization, synonyms (e.g., salvia miltiorrhiza and danshen), different spellings (e.g., ischemia, ischemic, and ischaemic), abbreviations (eg, IL-6 and interleukin-6), and singular/plural forms (e.g., arrhythmia and arrhythmias) should be merged. The gene discussed is IL6; the disease is cardiac arrhythmia.