Indocyanine Green is an Ideal Dye for Endoscopic Ultrasound-Guided Fine-Needle Tattooing of Pancreatic Tumors - Ashida, R; Yamao, K; Okubo, K; Sawaki, A; Mizuno, N; Nakamura, T; Tajika, M; Kawai, H; Shimizu, Y (Endoscopy, 2006)