1. 1. Fenton WA, Gravel RA, Rosenblatt DS. Disorders of propionate and methylmalonate metabolism. In: Scriver CR, editors. The Metabolic and Molecular Bases of Inherited Diseases. 8 th ed. New York: McGraw-Hill; 2001. p. 2165-92.
2. 2. Hörster F, Hoffmann GF. Pathophysiology, diagnosis, and treatment of methylmalonic aciduria-recent advances and new challenges. Pediatr Nephrol 2004;19:1071-4.
3. 3. Karam PE, Habbal MZ, Mikati MA, Zaatari GE, Cortas NK, Daher RT. Diagnostic challenges of aminoacidopathies and organic acidemias in a developing country: A twelve-year experience. Clin Biochem 2013;46:1787-92.
4. 4. Fenichel GM. Clinical pediatric neurology: A signs and symptoms approach: Elsevier Health Sciences; 2009.
5. 5. Swaiman K. Aminoacidopathies and organic acidemias resulting from deficiency of enzyme activity. Swaiman KF, editor. Pediatric Neurology-Principles and Practice. 2 nd Ed. Missouri:Mosby. 1994:1195-232.