23712
Mechanisms underlying the antisecretory action were studied through gastric H ( + ) , K ( + ) - ATPase activity of highly purified rabbit gastric microsomes and pylorus ligature method in rats .
 Chemical: H ( + ); Chemical: K ( + )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: H ( + ); Chemical: K ( + )