Sipple families.
D006801:Humans; D010282:Parathyroid Neoplasms / Q000175:diagnosis / Q000235:genetics*; D010673:Pheochromocytoma / Q000175:diagnosis / Q000235:genetics*; D013577:Syndrome; D013964:Thyroid Neoplasms / Q000175:diagnosis / Q000235:genetics*