PubMed Database Use this skill when a task needs biomedical literature from PubMed rather than general web search. When to Use - Searching MEDLINE or life-sciences literature. - Building PubMed queries with MeSH terms, field tags, dates, or article types. - Looking up PMIDs, abstracts, publication metadata, or related citations. - Running systematic-review search passes that need repeatable search strings. - Using NCBI E-utilities directly from Python, shell, or another HTTP client. Query Construction Start with the research question, split it into concepts, then combine concepts with Boolean…