Unal, Ozlem, et al. “Detection of Other Inborn Errors of Metabolism in Hyperphenylalaninemic Babies Picked up on Narrow-Spectrum Screening Programs”. The Turkish Journal of Pediatrics, vol. 54, no. 4, Aug. 2012, pp. 409-12, https://doi.org/10.24953/turkjped.2012.1657.