“…Takeda et al 10 used vector manometry to estimate motility of the dog SO more accurately. The pressure in the ventral direction (26.6 Ϯ 1.06 mmHg) was significantly lower than that in the left and right dorsal directions (30.6 Ϯ 1.42 and 31.2 Ϯ 1.23 mmHg, respectively).…”