1. L Pic, Das ganglioma embryonale sympathicum.Berl Klin Wschr 1912;49:16-22
2. Pheochromocytoma
3. Endocrine Hypertension: Then and Now
4. Henderson AD, Bruce BB, Newman NJ, Biousse V, Hypertension-related eye abnormalities and the risk of stroke.Rev Neurol Dis 2011;8(1-2):1-9
5. Pelino CJ, Pizzimenti JJ, Essentials of hypertension: high blood pressure remains a major health issue worldwide, with profound--and often silent--multisystemic effects.Rev Optom 2014;151(9):88-90