Matta-Coelho, CRamos, RAlmeida, RMarques, O2017-09-082017-09-08201719th European Congress of Endocrinology. Lisbon, 20 a 23 May de 2017http://hdl.handle.net/10400.23/1200engNeoplasias HipofisáriasAdenomaSurgery versus expectant observation in clinically non-functioning pituitary adenomas - a 20-year single centre experienceconference object