Fig. 3From: Association of COVID-19-imposed lockdown and online searches for toothache in IranRelative search volumes for the term “toothache” in the provinces of Iran in 2020 (created using ggplot 3.3.0 (ggplot2.tidyverse.org) on R 3.6.0 (R Core Team, 2019, r-project.org)Back to article page