Hepatocyte growth factor-regulated tyrosine kinase substrate (HGS) and guanylate kinase 1 (GUK1) are differentially expressed in GH-secreting adenomas. - da Rocha AA; Giorgi RR; de Sa SV; Correa-Giannella ML; Fortes MA; Cavaleiro AM; Machado MC; Cescato VA; Bronstein MD; Giannella-Neto D (Pituitary, 2006)