Most of the clusters and their synonyms can also be found in the co-occurrence analysis, such as “omega-3 fatty acids” (# 0), “atherosclerosis” (# 1), “simvastatin” (# 2), “pravastatin” (# 4), “PCSK9” (# 8), and “ezetimibe” (# 10). The gene discussed is PCSK9; the disease is atherosclerosis.