“…All of these, however, seem unlikely (Williams and Billing, 1961). A direct effect of corticosteroids on the liver (Katz, Ducci, and Alessandri, 1957;Summerskill, Clowdus, Bollman, and Fleisher, 1961), or an altered or additional metabolic pathway (Chalmers, Gill, Jernigan, Svec, Jordan, Waldstein, and Knowlton, 1956;Williams and Billing, 1961) have also been suggested as an explanation. In the present study, the patient with complete extrahepatic biliary obstruction showed very little change in BSP storage (S) or the serum bilirubin level.…”