-Resistive index, volume and function of the solitary kidney in children and adolescents. F. Papadopoulou, E. Siomou, S. Bellou, M. Papastefanaki, S. Phanis, S.C. Efremidis. European Radiology (abstract)

-Is reflux missed on fluoroscopic voiding cysteourethrography and demonstrated only by contrast-enhanced voiding urosonography clinically important? F. Papadopoulou, A. anthopoulos, A. Fotopoulos, E. Siomou, J.A. Bokhrhli, M. Papastefanaki, S. Bellou, S. Efremidis. Pediatric Radiology (abstract)

-Case report. Tuberculous epididymo-orchitis: MRI findings.

Tsili AC, Tsampoulas C, Giannakis D, Papastefanaki M, Tsiriopoulos I, Sofikitis N, Efremidis SC. Br J Radiol. 2008 Jun;81(966):e166-9.

-Diffuse periventricular leukomalacia in preterm children: assessment of grey matter changes by MRI.

Tzarouchi LC, Xydis V, Zikou AK, Drougia A, Astrakas LG, Papastefanaki M, Andronikou S, Argyropoulou MI. Pediatr Radiol. 2011 Dec;41(12):1545-51. Epub 2011 Sep 7