2688
Histamine antagonists and d - tubocurarine - induced hypotension in cardiac surgical patients .
 Chemical: Histamine; Chemical: d - tubocurarine; Disease: hypotension
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: Histamine; Chemical: d - tubocurarine; Disease: hypotension