77271
Although cabergoline is commonly described principally as a dopamine D receptor agonist , it also possesses significant affinity for the D , D , 5-HT , 5-HT , 5-HT , 5-HT , α - receptors , and moderate / low affinity for the D and 5-HT receptors .
 D, 5-HT, 5-HT, 5-HT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 D, 5-HT, 5-HT, 5-HT