Brown , D.C., C.E. Macfarlane , W.J. McKenna , et al. "Growth Hormone Therapy in Noonan's Syndrome: Non-Cardiomyopathic Congenital Heart Disease Does Not Adversely Affect Growth Improvement" Journal of Pediatric Endocrinology and Metabolism, 15.6 (2011): 851-852. Retrieved 21 May. 2013, from doi:10.1515/JPEM.2002.15.6.851

Brown , D., Macfarlane , C., McKenna , W., et al. (2011). Growth Hormone Therapy in Noonan's Syndrome: Non-Cardiomyopathic Congenital Heart Disease Does Not Adversely Affect Growth Improvement. Journal of Pediatric Endocrinology and Metabolism, 15(6), pp. 759-872. Retrieved 21 May. 2013, from doi:10.1515/JPEM.2002.15.6.851

Brown , D.C., C.E. Macfarlane , W.J. McKenna , et al. 2011. Growth Hormone Therapy in Noonan's Syndrome: Non-Cardiomyopathic Congenital Heart Disease Does Not Adversely Affect Growth Improvement. Journal of Pediatric Endocrinology and Metabolism. 15(6): 759-872. Retrieved 21 May. 2013, from doi:10.1515/JPEM.2002.15.6.851