1. Laxative effect of repeated Daiokanzoto is attributable to decrease in aquaporin-3 expression in the colon
   Risako Kon et al, 2018, J Nat Med CrossRef
2. Mashiningan Improves Opioid-Induced Constipation in Rats by Activating Cystic Fibrosis Transmembrane Conductance Regulator Chloride Channel.
   Yumi Harada et al, 2017, J Pharmacol Exp Ther CrossRef
3. Kampo Medicine in Chronic Constipation
   Toru Kono, 2019, J Jpn Soc Coloproctol CrossRef
4. Comparative Efficacy of Linaclotide Versus Other Oral Constipation Treatments in Chronic Constipation: a Network Meta-analysis
   Hiroyuki Okumura et al, 2020, SN Compr. Clin. Med. CrossRef
5. Non-pharmacologic Approach to Pediatric Constipation
   Neha R. Santucci et al, 2021, Complementary Therapies in Medicine CrossRef