00583naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200017300094210004800267215001000315608002700325700002100352700002000373856002000393EN\\bibl\2170220241125033906.1##a2077-7566##a20160726b2016####ek#y0engy0150####ca##aRU1#aСalcium-phosphorus balance and bone metabolism markers estimation in the combination therapy of patients with chronic generalized severe periodontitiseJournal article1#aEkaterinburgcTIRAZH Publishing Housed2016##a4 с.##aJournal article2local#1aGurtovayagM. N.#1aKazakovagA. V.4#adental-press.ru