title: [Determination of the optimal level of development and of "school maturity" in children aged 6-7 years].
mesh_terms: D002648:Child; D002657:Child Development; D005260:Female; D006128:Growth; D006801:Humans; D008297:Male; D009031:Moscow; D012426:Russia; D012959:Socioeconomic Factors; D014505:Urban Population
vernacular_title: Opredelenie optimal'nogo urovnia razvitiia i "shkol'noĭ zrelosti" u deteĭ 6-7-letnego vozrasta