“…Since that time a further review of the literature has revealed another nine foods which have been incriminated. These are Christmas pudding (Keynes, 1950), meat (Payne, 1950), methylcellulose (Desjacques, Pouyet, and Bene, 1952;Francillon, 1952), macaroni (Pecora, Pepe, and Cooper, 1952), kidney beans (McCabe and Knox, 1963), prune stone (Rosen and Shapiro, 1964), potato skin (Wilde, 1965), wild peaches (Seith, 1965), and a case of grass ball obstruction of the ileum in an 18-year-old psychologically disturbed youth (Kune, 1965).…”