1. A proposed mechanism for cardboard-induced iron-deficiency anemia. Author Rehm SR and DeSimone PA Subjects Humans, Anemia, Hypochromic etiology, Paper, Pica complications Published 1991
2. Cardboard chewing: cause and effect of iron-deficiency anemia. Author Callinan V and O'Hare JA Subjects Adult, Humans, Male, Paper, Anemia, Hypochromic complications, Pica etiology Published 1988 Full Text View/download PDF