S. Pörtl

Invisible Scar Endoscopic Dorsal Approach Thyroidectomy: A Clinical Feasibility Study

H. Schardey, M. Barone, S. Pörtl, 2010, World Journal of Surgery.

Sex hormones and gender-related differences: their influence on chronic renal allograft rejection.

O. Viklicky, U. Heemann, A. Szabó, 1999, Kidney international.

Invisible scar endoscopic thyroidectomy by the dorsal approach: experimental development of a new technique with human cadavers and preliminary clinical results

M. Kammal, T. Hernandez-Richter, H. Schardey, 2008, Surgical Endoscopy.