Publications by authors named "N A Koval'kova"
Aim: To investigate the prevalence of impaired external respiration function (ERF) in young Novosibirsk dwellers.
Subjects And Methods: A cross-sectional population-based survey in one of the typical districts of Novosibirsk was conducted at the Research Institute of Internal and Preventive Medicine in 2013-2015. ERF was examined by spirometry in accordance with the guidelines.