“Successful diffusible brachytherapy (dBT) of a progressive low-grade astrocytoma using the locally injected peptidic vector and somatostatin analogue [90Y] - DOTA 0-D-Phe 1-Tyr 3-octreotide (DOTATOC)” (2001) Swiss Medical Weekly, 131(4344), pp. 640–644. doi:10.4414/smw.2001.09822.