Ford AC, Suares NC. Effect of laxatives and pharmacological
therapies in chronic idiopathic constipation: systematic review
and meta-analysis. Gut 2011;60:209-218.


Kienzle‐Horn S, Vix JM, Schuijt C, Peil H, Jordan CC, Kamm MA.
Efficacy and safety of bisacodyl in the acute treatment of constipation:
a double‐blind, randomized, placebo‐controlled study.
Aliment Pharmacol Ther. 2006;23:1479‐1488.

Soufi‐Afshar I, Moghadamnia A, Bijani A, Kazemi S, Shokri‐
Shirvani J. Comparison of pyridostigmine and bisacodyl in the
treatment of refractory chronic constipation. Caspian J Intern Med.
2016;7:19‐24.

Ramkumar D, Rao SS. Efficacy and safety of traditional medical
therapies for chronic constipation: systematic review. Am J
Gastroenterol. 2005;100:936‐971.


Mueller‐Lissner S, Kamm MA, Wald A, et al. Multicenter, 4‐week,
double‐blind, randomized, placebo‐controlled trial of sodium picosulfate
in patients with chronic constipation. Am J Gastroenterol.
2010;105:897‐903.

Kienzle‐Horn S, Vix JM, Schuijt C, Peil H, Jordan CC, Kamm MA.
Comparison of bisacodyl and sodium picosulphate in the treatment
of chronic constipation. Curr Med Res Opin. 2007;23:691‐699.