2127
This hemorrhagic ulcer and various ulcerogenic parameters were dose - dependently ameliorated by daily intragastric verapamil .
 hemorrhagic, ulcer, verapamil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 hemorrhagic, ulcer, verapamil