00520naa#a2200181#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200008700108210005100195215001000246608002700256700002000283700002100303856001400324EN\INFRA-M\bibl\553720240702091353.2##a2075-4094##a20150706b2015####ek#y0engy0150####ca0#aRUS##aRU1#aThe structure and incidence of preterm birth in nulliparous womeneJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2015##a0 с.##aJournal article2local#1aKuzibaevagR.  #1aKhadartsevagK. 4#azh-szf.ru