For citations:
Klimov LY, Dolbnya SV, Kondratyeva EI, Dyatlova AA, Enina EA, Kuryaninova VA, Kasyanova AN, Zhekaite EK, Bobryshev DV, Markarova IV, Vdovina TM, Shaforost AA. Vitamin d status during winter months among children and adolescents with cystic fibrosis living in southern Russia. Meditsinskiy sovet = Medical Council. 2019;(2):240-249. (In Russ.) https://doi.org/10.21518/2079-701X-2019-2-240-249