Olga Tkacheva
Director of Gerontology Research and Clinical Centre, Russian National Research Medical University named after N.I. Pirogov, the Main Supernumerery Geriatritian, Ministry of Health of Russia
Olga Tkacheva
Director of Gerontology Research and Clinical Centre, Russian National Research Medical University named after N.I. Pirogov, the Main Supernumerery Geriatritian, Ministry of Health of Russia