PubMed search / biomedical literature search / medical journal lookup / NIH paper search / clinical-research finder / MeSH-term query / NCBI E-utilities wrapper. Searches PubMed for biomedical articles by free-text query, with optional date range and sort (relevance / pub_date / first_author). Returns total hit count plus PMID, title, authors, journal, publication date, abstract, MeSH terms, and DOI per paper. Federal public domain via NCBI E-utilities — no API key required.
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