Medscape
https://emedicine.medscape.com/article/176938-overview
Diakses 22 Juli 2020Healthline
https://www.healthline.com/health/helicobacter-pylori#symptoms
https://www.healthline.com/health/helicobacter-pylori#diagnosis
https://www.healthline.com/health/helicobacter-pylori#treatment
Diakses 22 Juli 2020Medlineplus
https://medlineplus.gov/helicobacterpyloriinfections.html
Diakses 22 Juli 2020