1377
The safety of the zinc acetate allowed us to avoid other potentially toxic chelating drugs ; this observation is in line with the growing evidence on the efficacy of the drug in the treatment of Wilson ' s disease .
 Chemical: zinc acetate; Disease: Wilson ' s 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: zinc acetate; Disease: Wilson ' s disease