“…Some such patients are helped by corticosteroid therapy, but a few go on to a fatal outcome (French et al, 1957;Badenoch, 1960;Pink & Creamer, 1967). Several fatal cases have been reported in which subepithelial collagen was present in an intestinal biopsy (Schein, 1947;Hourihane, 1963;Barry, Morris & Read, 1970;Weinstein et al, 1970;Doe et al, 1972;Dowling & Henry, 1972) and it has been suggested that 'collagenous sprue' may represent a separate entity (Weinstein et al, 1970). Small foci of collagen are seen in up to 40%.…”