2582
To assess the ability of the atria to maintain elevated plasma concentrations of atrial natriuretic peptide ( ANP ) , the temporal changes in plasma ANP concentrations were studied in seven chloralose - anaesthetized dogs during 4 h of sustained rapid cardiac pacing .
 atrial natriuretic peptide, ANP, plasma ANP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 atrial natriuretic peptide, ANP, plasma ANP