Congenital hyperinsulinism in brazilian neonates: a study of histology, KATP channel genes, and proliferation of 'beta' cells - Lovisolo, Silvana Maria; Mendonça, Berenice B; Pinto, Emília M; Della Manna, Thais; Saldiva, Paulo Hilário Nascimento; Zerbini, Maria Cláudia Nogueira (Pediatric and Developmental Pathology, 2010)