Kamola Nigman Kizi Yakubova and Akida Valievna Muratkhodjaeva 2020. Ethiopathogenetic Value Of Vitamin D During Heart Rhythm Disorders In Children. The American Journal of Medical Sciences and Pharmaceutical Research. 2, 09 (Sep. 2020), 27–31. DOI:https://doi.org/10.37547/TAJMSPR/Volume02Issue09-07.