title: [Beta cells of insular tumors. Apropos of a case].
mesh_terms: D000236:Adenoma / Q000648:ultrastructure*; D007516:Adenoma, Islet Cell / Q000648:ultrastructure*; D000328:Adult; D001402:B-Lymphocytes / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D010190:Pancreatic Neoplasms / Q000648:ultrastructure*
vernacular_title: Tumores insulares de células beta. A propósito de una observación.