Collection 016008: Various fluids pouring down the oesophagus as viewed from the mouth and later travelling towrds camera from the staomach end.. Also peristalsis awy from camera so from mouth to stomach.
Collection 016008: Various fluids pouring down the oesophagus as viewed from the mouth and later travelling towrds camera from the staomach end.. Also peristalsis awy from camera so from mouth to stomach.