914
Effects of timepidium bromide ( TB ; anticholinergic agent ) , acetylcholine ( ACh ) and neostigmine ( Neost ) on gastric and duodenal blood flow distribution were studied by the use of 131I - labeled macroaggregated human serum albumin ( MAA ) in rabbits .
 GENE: MAA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: MAA