Low beta-arrestin expression correlates with the responsiveness to long-term somatostatin analog treatment in acromegaly - Gatto, F; Biermasz, N R; Feelders, R A; Kros, J M; Dogan, F; Van der Lely, A J; Neggers, S J; Lamberts, S W; Pereira, A M; Ferone, D; Hofland, L (Eur J Endocrinol, 2016)