De Silva, Arjuna P One-hour fast for water and six-hour fast for solids prior to endoscopy provides good endoscopic vision and results in minimum patient discomfort. [electronic resource] - Journal of gastroenterology and hepatology Jun 2009 - 1095-7 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1440-1746 Standard No.: 10.1111/j.1440-1746.2009.05782.x doi Subjects--Topical Terms: AdolescentAdultAgedEndoscopy, Digestive System--adverse effectsFasting--adverse effectsFemaleHumansHydrogen-Ion ConcentrationMaleMiddle AgedPain MeasurementStatistics, NonparametricWater--administration & dosage