2280
Systemic aortic blood pressure and renal blood flow were measured continuously with a carotid arterial catheter and an electromagnetic flow probe respectively , in order to compare the cardiovascular and renal vascular effects of fenoldopam and sodium nitroprusside in ten dogs under halothane general anaesthesia .
 Chemical: fenoldopam; Chemical: sodium; Chemical: nitroprusside; Chemical: halothane
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: fenoldopam; Chemical: sodium; Chemical: nitroprusside; Chemical: halothane