Surgical management of pediatric Cushing's disease: an analysis of 15 consecutive cases at a specialized neurosurgical center - Oliveira, Ricardo Santos de; Castro, Margaret de; Antonini, Sonir Roberto Rauber; Martinelli Júnior, Carlos Eduardo; Moreira, Ayrton Custódio; Machado, Hélio Rubens (Arquivos Brasileiros de Endocrinologia e Metabologia, 2010)