Gastrointestinal endoscopy. American Society for Gastrointestinal Endoscopy.
Chicago Style (17th ed.) CitationGastrointestinal Endoscopy. [Baltimore]: American Society for Gastrointestinal Endoscopy.
MLA (9th ed.) CitationGastrointestinal Endoscopy. American Society for Gastrointestinal Endoscopy.
Warning: These citations may not always be 100% accurate.