Prevalence of vitamin D deficiency in children with asthma. Multicenter study
Elena Kondratyeva, Yuri Mizernitsky, Natalya Ilyenkova, Anna Bogorad, Elena Zhekaite, Svetlana Dyakova, Leonid Klimov, Svetlana Dolbnya, Viktoria Kuryaninova, Yulia Melyanovskaya, Aisa Zodbinova
European Respiratory Journal Sep 2020, 56 (suppl 64) 672; DOI: 10.1183/13993003.congress-2020.672