00528naa#a2200169#i#450# EN\INFRA-M\bibl\3610 20250329140343.6 1609-2163 20140905b2014####ek#y0engy0150####ca RUS RU Spondylolis and spondylolisis spondylolistesis Lv vertebra in the Children of Preschool and Primary School Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Skryabin E. naukaru.ru