Aydın, Halil İbrahim, and Fatma Müjgan Sönmez. “A Novel Mutation in Two Cousins With Guanidinoacetate Methyltransferase (GAMT) Deficiency Presented With Autism”. The Turkish Journal of Pediatrics, vol. 61, no. 1, Feb. 2019, pp. 92-96, https://doi.org/10.24953/turkjped.2019.01.014.