“…In addition, it has been stated that after vagotomy and gastrojejunostomy the stools are lighter in colour (Grimson, Baylin, Taylor, Hesser, and Rundles, 1947;Burge, Rizk, Tompkin, Barth, Hutchison, Longland, McLennan, and Miln, 1961;Elliot-Smith et al, 1961;Cox and Bond, 1964;Goligher, Pulvertaft, and Watkinson, 1964), but a review of the subject fails to reveal any information about pigment excretion before and after operation.…”