1812-95281812-9528S1812-9528201900010005410.18004/mem.iics/1812-9528/2019.017(01)54-058ParaguayParaguay000420190004201917154582018391101151011570-81201236725252419-26201815244830-9201313441-18American College of Gastroenterology Clinical Guideline201310855656-772014111111655-6320133810101278-91201785113-122018381196-1282010124661161-7820074422131-920111711111383-9620157997486-50420143444444-5120163111133-719984233362-5200854771203-92010301110-6