Syrlybayeva, L., G. Zharmakhanova, V. Kononets, and Z. Gaisiyeva. “Age-Specific Reference Values for Free Carnitine and Short Chain Acylcarnitines Content in Dried Blood Spots in Newborns in Western Kazakhstan: A Tandem Mass Spectrometry Measurement”. The Eurasia Proceedings of Health, Environment and Life Sciences, vol. 13, Sept. 2024, pp. 103-10, https://ephels.net/index.php/ephels/article/view/117.