?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Verma%2C+Geetika&rft.aulast=Verma&rft.aufirst=Geetika&rft.issue=7&rft.volume=109&rft.date=1+July+2023&rft.atitle=Variability+of+severe+acute+respiratory+syndrome+coronavirus+2+infection+in+children+and+adults&rft.title=Int.+J.+Surg.&rft.pages=2148-2150&rft.genre=article