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Preclinical murine studies demonstrated that the toxicity of lometrexol can be prevented by low dose folic acid administration , i . e . for 7 days prior to and 7 days following a single bolus dose .
 Disease: toxicity; Chemical: lometrexol; Chemical: folic acid
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:
 Disease: toxicity; Chemical: lometrexol; Chemical: folic acid