AUTHOR=Dimitriev Dimitriy , Saperova Elena V. , Dimitriev Aleksey , Karpenko Yuriy TITLE=Recurrence Quantification Analysis of Heart Rate During Mental Arithmetic Stress in Young Females JOURNAL=Frontiers in Physiology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2020.00040 DOI=10.3389/fphys.2020.00040 ISSN=1664-042X