A.A. KAMALOVA1, 2, E.R. SAFINA1, A.R. GAIFUTDINOVA1, 2  1Kazan State Medical University, Kazan 2Children’s Republican Clinical Hospital, Ministry of Health of Republic of Tatarstan, Kazan  Contact details: Kamalova A.A. — MD, Professor of the Department of Hospital Pediatrics Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: +7 (843) 237-30-37, e-mail: aelitakamalova@gmail.com Underweight and growth retardation are […]