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
Kim D, Lauria DT, Poulos C, Dong B, Whittington D. Effect of travel distance on household demand for typhoid vaccines: implications for planning. Int J Health Plann Manage. 2013 Mar 12;Advance Online.