Sikhayeva , N.; Volodchenko, S.; Kovzel, E.; Kissykova, M.; Morenko, M.; Shnaider, K.; Tortayeva , G.; Sagandykova, Y. THE ROLE OF TREC AND KREC IN ASSESSING THE IMMUNE STATUS OF NEWBORNS. Eurasian Journal of Applied Biotechnology 2025, 203-213.