Article Title,Year,Volume,Issue,Page Range,Author Porcupine quills as laryngeal foreign bodies; report of two cases,1952,53,32nd Meeting,81-83,Hill Grasses and cedar twigs as foreign bodies in the bronchi and lungs of children,1953,45,34th Meeting,45-54,Mahoney Four bobby pins in the stomach of a two year old; magnetic removal,1954,59,35th Meeting,135-137,Bennett