Buttiens J M, van der Sluis R F, van Vroonhoven T J, van der Werken C
St. Elisabeth Ziekenhuis, Tilburg, Holland.
Acta Chir Belg. 1987 Nov-Dec;87(6):363-6.
A report on five cases, having had a laparotomy for perforation of the intestine by swallowed "radiolucent corpora aliena".