1597
Male Wistar rats were exposed orally to manganese chloride ( 20 mg / mL ) for 30 days followed by intraperitoneal cotreatment with silymarin ( 100 mg / kg ) .
 Chemical: manganese chloride
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: manganese chloride