United Ostomy Associations of America (UOAA): https://www.ostomy.org/ Provides support, education, and advocacy for individuals with ostomies, including gastrostomies.
"Living with a Gastrostomy: A Guide to Self-Care and Well-Being" by Barbara J. Summers
"The Ostomy Book: A Guide to Living Well with an Ostomy" by Bettye R. Young and William R. Young
"The Ostomy Handbook: A Comprehensive Guide to Living Well with an Ostomy" by David B. Scholes
International Ostomy Association (IOA): https://rarediseases.org/organizations/international-ostomy-association/ A global organization dedicated to improving the quality of life for people with ostomies