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The specific aim of this retrospective , observational study was to assess safety and efficacy of long - term ( 21 months / patient ) , open - label , gemfibrozil - lovastatin treatment in 80 patients with primary mixed hyperlipidemia ( 68 % of whom had atherosclerotic vascular disease ) .
 Chemical: gemfibrozil; Chemical: lovastatin; Disease: hyperlipidemia; Disease: atherosclerotic vascular disease
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: gemfibrozil; Chemical: lovastatin; Disease: hyperlipidemia; Disease: atherosclerotic vascular disease