4389
In some cases , a high serum concentration of citalopram ( > 600 nmol / L ) in elderly patients has been associated with increased somnolence and movement difficulties .
 Chemical: citalopram; Disease: somnolence; Disease: movement difficulties
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: citalopram; Disease: somnolence; Disease: movement difficulties