Forth W, Nell G, Rummel W, Andres H (1 March 1972). "The hydragogue and laxative effect of the sulfuric acid ester and the free diphenol of 4,4'-dihydroxydiphenyl-(pyridyl-2)-methane". Naunyn-Schmiedeberg's Archives of Pharmacology. 274 (1): 46–53. doi:10.1007/BF00501005. PMID4262724. S2CID13177533.
Regev A, Fraser G, Delpre G, Leiser A, Neeman A, Maoz E, et al. (September 1998). "Comparison of two bowel preparations for colonoscopy: sodium picosulphate with magnesium citrate versus sulphate-free polyethylene glycol lavage solution". The American Journal of Gastroenterology. 93 (9): 1478–82. doi:10.1111/j.1572-0241.1998.00467.x. PMID9732929. S2CID7579449.
Tjandra JJ, Chan M, Tagkalidis PP (May 2006). "Oral sodium phosphate (Fleet) is a superior colonoscopy preparation to Picopre (sodium picosulfate-based preparation)". Diseases of the Colon and Rectum. 49 (5): 616–20. doi:10.1007/s10350-005-0323-2. PMID16525746. S2CID36729352.
Forth W, Nell G, Rummel W, Andres H (1 March 1972). "The hydragogue and laxative effect of the sulfuric acid ester and the free diphenol of 4,4'-dihydroxydiphenyl-(pyridyl-2)-methane". Naunyn-Schmiedeberg's Archives of Pharmacology. 274 (1): 46–53. doi:10.1007/BF00501005. PMID4262724. S2CID13177533.
Jauch R, Hankwitz R, Beschke K, Pelzer H (November 1975). "Bis-(p-hydroxyphenyl)-pyridyl-2-methane: The common laxative principle of Bisacodyl and sodium picosulfate". Arzneimittel-Forschung. 25 (11): 1796–1800. PMID1243088.
Regev A, Fraser G, Delpre G, Leiser A, Neeman A, Maoz E, et al. (September 1998). "Comparison of two bowel preparations for colonoscopy: sodium picosulphate with magnesium citrate versus sulphate-free polyethylene glycol lavage solution". The American Journal of Gastroenterology. 93 (9): 1478–82. doi:10.1111/j.1572-0241.1998.00467.x. PMID9732929. S2CID7579449.
Tjandra JJ, Chan M, Tagkalidis PP (May 2006). "Oral sodium phosphate (Fleet) is a superior colonoscopy preparation to Picopre (sodium picosulfate-based preparation)". Diseases of the Colon and Rectum. 49 (5): 616–20. doi:10.1007/s10350-005-0323-2. PMID16525746. S2CID36729352.
Forth W, Nell G, Rummel W, Andres H (1 March 1972). "The hydragogue and laxative effect of the sulfuric acid ester and the free diphenol of 4,4'-dihydroxydiphenyl-(pyridyl-2)-methane". Naunyn-Schmiedeberg's Archives of Pharmacology. 274 (1): 46–53. doi:10.1007/BF00501005. PMID4262724. S2CID13177533.
Regev A, Fraser G, Delpre G, Leiser A, Neeman A, Maoz E, et al. (September 1998). "Comparison of two bowel preparations for colonoscopy: sodium picosulphate with magnesium citrate versus sulphate-free polyethylene glycol lavage solution". The American Journal of Gastroenterology. 93 (9): 1478–82. doi:10.1111/j.1572-0241.1998.00467.x. PMID9732929. S2CID7579449.
Tjandra JJ, Chan M, Tagkalidis PP (May 2006). "Oral sodium phosphate (Fleet) is a superior colonoscopy preparation to Picopre (sodium picosulfate-based preparation)". Diseases of the Colon and Rectum. 49 (5): 616–20. doi:10.1007/s10350-005-0323-2. PMID16525746. S2CID36729352.