APA (7th ed.) Citation

Ji Hyun Song & Sang Gyun Kim. (2017). Helicobacter pylori-negative Peptic Ulcer. Yong Chan Lee.

Chicago Style (17th ed.) Citation

Ji Hyun Song and Sang Gyun Kim. Helicobacter Pylori-negative Peptic Ulcer. Yong Chan Lee, 2017.

MLA (9th ed.) Citation

Ji Hyun Song and Sang Gyun Kim. Helicobacter Pylori-negative Peptic Ulcer. Yong Chan Lee, 2017.

Warning: These citations may not always be 100% accurate.