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. 2023 Apr 15;13(4):172–180. doi: 10.4103/2045-9912.372819

Table 1:

Search strategies applied to identify OT studies at COVID-19

Database URL Search strategy
VHL http://www.bvsalud.org ("ozone therapy" OR "ozonioterapia" OR (("oxygen-ozone" OR ozono* OR ozone* OR ozonio* OR "ionized medical oxygen" OR ozone*) (treat* OR tratam* OR therap* OR terap* OR medic* OR clinic*))) AND (((("2019-2020" OR 2019 OR da:202*) ("New Coronavirus" OR "Novel Coronavirus" OR "Nuevo Coronavirus" OR "Novo Coronavirus" OR "Coronavirus disease" OR "Enfermedad por Coronavirus" OR "severe acute respiratory syndrome coronavirus 2")) OR ((2019-ncov) OR (ncov 2019) OR 2019ncov OR covid19 OR (covid-19) OR covid2019 OR (covid-2019) OR (covid 2019)) OR ((srag-cov-2 OR sars-cov-2 OR sars2 OR (sars 2) OR (sars cov 2) OR cov19 OR cov2019 OR Coronavirus* OR "Severe Acute Respiratory Infections" OR "Severe Acute Respiratory Infection" OR "Coronavirus 2" OR "acute respiratory disease" OR mh:Betacoronavirus OR mh:"Coronavirus infections" OR mh:"sars virus") AND (tw:2019 OR da:202*) AND NOT da:201*) OR (Wuhan market virus) OR (virus mercado Wuhan) OR "Wuhan Coronavirus" OR "Coronavirus de Wuhan"))
MEDLINE (PubMed) http://pubmed.gov (("ozone therapy" OR "Ozonated Autohemotherapy" OR (("oxygen-ozone" OR ozone* OR "ionized medical oxygen") (treat* OR therap* OR medic* OR clinic*))) AND (Severe Acute Respiratory Syndrome Coronavirus 2[Supplementary Concept] OR COVID-19[Supplementary Concept] OR coronavirus[MeSH Terms] OR coronavirus infections[MeSH Terms] OR betacoronavirus[MeSH Terms] OR Betacoronavirus*[TIAB] OR Coronavirus Infection[TIAB] OR Severe Acute Respiratory Syndrome Coronavirus 2[TIAB] OR Coronavirus Disease 2019[TIAB] OR 2019 Novel Coronavirus[TIAB] OR Wuhan Coronavirus[TIAB] OR COVID- 19[TIAB] OR SARS-CoV-2[TIAB] OR 2019-nCoV[TIAB] OR 2019 Novel Coronavirus[TIAB] OR Coronavirus Infection Disease 2019[TIAB] OR 2019 nCoV Infection[TLAB] OR Novel Coronavirus Pneumonia[TIAB] OR nCoV[TIAB]))
WHO-COVID19 https://search.bvsalud.org/global-literature-on-novel-coronavirus-2019-ncov/ ("ozone therapy" OR "Ozonated Autohemotherapy" OR (("oxygen-ozone" OR ozone* OR "ionized medical oxygen") (treat* OR therap* OR medic* OR clinic*)))

Note: COVID-19: Coronavirus disease 2019; OT: ozone therapy.