3296
Treatment with high doses of cimetidine ( one to 60 months ; median , 11 months ) or ranitidine ( two to 31 months ; median , 14 months ) was not associated with hepatic or hematologic toxicity or alterations of serum gastrin concentrations , but ranitidine therapy was associated with a significantly lower serum creatinine level than seen with cimetidine therapy .
 Chemical: cimetidine; Chemical: ranitidine; Disease: hepatic or hematologic toxicity; Chemical: ranitidine; Chemical: creatinine; Chemical: cimetidine
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: cimetidine; Chemical: ranitidine; Disease: hepatic or hematologic toxicity; Chemical: ranitidine; Chemical: creatinine; Chemical: cimetidine