3634
Thus , the reduction in blood and brain ammonia and the prevention of ammonia coma after L - dopa , can be accounted for by the peripheral effect of dopamine on renal function rather than its central action .
 Chemical: ammonia; Chemical: ammonia; Disease: coma; Chemical: L - dopa; Chemical: dopamine
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: ammonia; Chemical: ammonia; Disease: coma; Chemical: L - dopa; Chemical: dopamine