APA (7th ed.) Citation

Pyatenko, Y. A., & Sheptulin, A. A. Peptic ulcer: Does it changed identity? Gastro LLC.

Chicago Style (17th ed.) Citation

Pyatenko, Ye. A., and A. A. Sheptulin. Peptic Ulcer: Does It Changed Identity? Gastro LLC.

MLA (9th ed.) Citation

Pyatenko, Ye. A., and A. A. Sheptulin. Peptic Ulcer: Does It Changed Identity? Gastro LLC.

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