A.P. SKVORTSOV, P.S. ANDREYEV, R.Kh. YAGUDIN, I.R. SALAKHOV Republican Clinical Hospital of the Ministry of Healthcare of the Republic of Tatarstan, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064 Skvortsov A.P. — D. Med. Sc., Chief Researcher of Scientific-Research Department, tel. (843) 296-31-40, e-mail: rkb_nauka@rambler.ru Andreyev P.S. — Cand. Med. Sc., Head of Traumatology-Orthodedic (Children’s) Department, tel. (843) 296-31-40, e-mail: rkb_nauka@rambler.ru Yagudin R.K. — PhD (Economics), […]