(1) Major PubMed Field Tags
| [ti] | Title only | schizophrenia[ti] |
| [ab] | Abstract only | glutamate[ab] |
| [tiab] | Title or abstract | psychosis[tiab] |
| [mh] | MeSH terms | brain imaging[mh] |
| [au] | Author name | green mf[au] |
| [dp] | Date of publication | 2020[dp] |
| [pt] | Publication type | review[pt] |
| [ta] | Journal title abbreviation | nature[ta] |
| [ad] | Author affiliation | harvard[ad] |
(2) Search Syntax in PubMed
| AND | Includes both terms | schizophrenia AND glutamate |
| OR | Includes either term | psychosis OR schizophrenia |
| NOT | Excludes the second term | glutamate NOT depression |
(3) Search Tips
| Truncation | schizophren* → schizophrenia, schizophrenic, schizophreniform |
| Double quotation marks | “cognitive behavioral therapy” |
| Wildcard | woman OR women |
| Nested Boolean Logic | (schizophrenia OR psychosis) AND (glutamate OR GABA) |
(4) Search Examples
| Title contains “schizophrenia”, abstract contains “glutamate” | schizophrenia[ti] AND glutamate[ab] |
| “resting state fMRI” in title or abstract | “resting state fMRI”[tiab] |
| Articles published after 2020 | (“2020″[dp] : “3000”[dp]) |
| MeSH-based search for schizophrenia + fMRI | schizophrenia[mh] AND magnetic resonance imaging[mh] |
| Articles by Michael F. Green | green mf[au] |
| Review articles only | schizophrenia[tiab] AND review[pt] |
| Articles published in Nature | schizophrenia[tiab] AND nature[ta] |
| Articles from Harvard-affiliated authors | psychosis[tiab] AND harvard[ad] |