Medicine Net. https://www.medicinenet.com/gastritis/article.htm
Diakses pada 22 April 2020Healthline. https://www.healthline.com/health/gastritis-chronic#overview1
Diakses pada 22 April 2020WebMD. https://www.webmd.com/digestive-disorders/digestive-diseases-gastritis#1
Diakses pada 22 April 2020National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/gastritis-gastropathy/symptoms-causes
Diakses pada 22 April 2020Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/gastritis/symptoms-causes/syc-20355807
Diakses pada 22 April 2020Kementrian Kesehatan RI. http://yankes.kemkes.go.id/read-sakit-maag-wajib-baca-ini-5278.html
Diakses pada 6 Agustus 2020