1. Consideration in three cases of pheochromocytoma (observed in sisters);Balduini;Boll. Soc. Medicochir. Cremona,1961
2. Noradrenaline-adrenaline producing nonchromaffin paraganglioma;Berdal;Acta Med. Scand.,1962
3. Malignant intrathoracic pheochromocytoma with lung metastasis and raised noradrenalin concentration in superior vena cava blood;Bjork;Acta Chir. Scand.,1959
4. Pheochromocytoma as an inherited abnormality;Carmin;New Eng. J. Med.,1960