3878
Because knowledge of stone composition is essential for studies of their pathogenesis , treatment , and prevention , this was investigated by direct and indirect methods in 14 octreotide treated acromegalic patients with gall stones .
 octreotide, acromegalic, gall stones
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 octreotide, acromegalic, gall stones