2689
Hemodynamic effects and histamine release by bolus injection of 0 . 35 mg / kg of d - tubocurarine were studied in 24 patients .
 Chemical: histamine; Chemical: d - tubocurarine
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