“…16 4 ERIC G. SAINT, ERNEST S. FINCKH AND IAN PARSONS (1944) and Waldenstrom (1937). In England there has recently been a spate of case reports: Chandler et alii (1939), Discombe and d'Silva (1945), , Abrahams, Gavey and MacLagan (1947), , , Gibson, Harrison and Montgomery (1950), and Grossfield (1951). The outstanding clinical features of acute porphyria are the occurrence of abdominal pain and a variable pattern of psychiatric and neurological manifestations.…”