Clinical, biological, radiological, and pathological comparison of sparsely and densely granulated somatotroph adenomas: a single center experience from a cohort of 131 patients with acromegaly. - Swanson AA; Erickson D; Donegan DM; Jenkins SM; Van Gompel JJ; Atkinson JLD; Erickson BJ; Giannini C (Pituitary, 2021)