For citations:
Roslavtseva E.A., Sokolov I., Simonova O.I., Bushueva T.V., Borovik T.E., Smirnov I.E., Chernevich V.P., Lokhmatov M.M. Diagnostic possibilities of lactase deficiency in children with cystic fibrosis. Russian Pediatric Journal. 2021;24(3):157-162. (In Russ.) https://doi.org/10.46563/1560-9561-2021-24-3-157-162. EDN: ahawgf