International Foundation for Gastrointestinal Disorders (IFFGD). A noisy tummy: What does it mean? https://www.iffgd.org/symptoms-causes/abdominal-noises.html. Published December 8, 2020. Accessed March 1, 2021.
Cleveland Clinic. Gas (burping, belching, flatulence): Causes & treatments. https://my.clevelandclinic.org/health/diseases/7314-gas. Published September 11, 2020. Accessed March 1, 2021.
Johns Hopkins Medicine. Lactose intolerance. https://www.hopkinsmedicine.org/health/conditions-and-diseases/lactose-intolerance. Accessed March 1, 2021.
Saha M, Parveen I, Shil B, Saha S, Banik R, Majumder M, Salam M, Islam A. Lactose intolerance and symptom pattern of lactose intolerance among healthy volunteers. Euroasian J Hepato-Gastroenterol. 2016;6(1):5-7. doi:10.5005/jp-journals-10018-1156
Sharma A, Moriarty K, Burnett H, Paraoan M, Thompson D. Intractable positional borborygmi--an unusual cause diagnosed by barium contrast study. BMJ Case Rep. 2010;2010:bcr0120102637. doi:10.1136/bcr.01.2010.2637
Celiac Disease Foundation. Symptoms of celiac disease. https://celiac.org/about-celiac-disease/symptoms-of-celiac-disease/. Accessed March 1, 2021.