<unk> , also known as push-and-pull<unk>  is an endoscopic technique for visualization of the small bowel. It was developed by Hironori Yamamoto in 2001. It is novel in the field of diagnostic gastroenterology as it is the first endoscopic technique that allows for the entire gastrointestinal tract to be visualized in real time.
Double-balloon enteroscopy
Computed tomography enterography
Magnetic resonance enterography
Stool test
Enteroscopy
Fecal pH test
Capsule endoscopy
GI cocktail