Lopez LR, Ahn J-H, Alves T, Arthur JC. Microenvironmental factors that shape bacterial metabolites in inflammatory bowel disease. Front Cell Infect Microbiol. 2022 Jul 15;12:934619. doi: 10.3389/fcimb.2022.934619
Phanikumar CV, Maitra B. Willingness-to-pay and preference heterogeneity for rural bus attributes. J Transp Eng A-Syst. 2007 Jan;133(1).