APA (7th ed.) Citation
de Simone, G. H., Boccardo, C., Calleri, D., Piazze, A., & Zimmer, W. (1994). Removal of foreign bodies from the tract upper digestive system by flexible endoscopy: Study of 75 cases.
Chicago Style (17th ed.) Citation
de Simone, Gustavo H., Carlos Boccardo, Daniel Calleri, Alvaro Piazze, and Walter Zimmer. Removal of Foreign Bodies from the Tract Upper Digestive System by Flexible Endoscopy: Study of 75 Cases. 1994.
MLA (9th ed.) Citation
de Simone, Gustavo H., et al. Removal of Foreign Bodies from the Tract Upper Digestive System by Flexible Endoscopy: Study of 75 Cases. 1994.
Warning: These citations may not always be 100% accurate.