APA (7th ed.) Citation

George St. Stoyanov, Deyan Dzhenkov, & Lilyana Petkova. (2021). Primary aortoduodenal fistula. University of São Paulo.

Chicago Style (17th ed.) Citation

George St. Stoyanov, Deyan Dzhenkov, and Lilyana Petkova. Primary Aortoduodenal Fistula. University of São Paulo, 2021.

MLA (9th ed.) Citation

George St. Stoyanov, et al. Primary Aortoduodenal Fistula. University of São Paulo, 2021.

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