S. MINIELLO, D. D’ABBICCO, G. URGESI, N. TOMASICCHIO, M. AMORUSO, and G. M. BONOMO, “THE PA LLIATIVE TREATMENTS OF OBSTRUCTIVE JOUNDICE IN PERIVATERIAN TUMOURS”., Ann Ital Chir, vol. 71, no. 4, pp. 441–446, Jul. 2000.