PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Global Health Public Health Environmental Impacts Rima J Isaifan PeerJ Author Summary Environmental Impacts Global Health PeerJ Contributions Articles 1 May 7, 2021 The impact of COVID-19 pandemic on nitrogen dioxide levels in Nigeria Johnson Adedeji Olusola, Adebola Adekunle Shote, Abdellah Ouigmane, Rima J. Isaifan https://doi.org/10.7717/peerj.11387 PubMed 34012730