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    "title": "PubMed & NCBI Databases API",
    "description": "Access PubMed and NCBI databases for biomedical literature. Search 36+ million citations, get article abstracts, citation metrics, author profiles, and journal data. Essential for scientific research and pharma market intelligence.",
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              "Randomized Controlled Trial",
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              "Systematic Review",
              "Case Reports"
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          },
          "ncbiApiKey": {
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            "type": "string",
            "description": "Optional free NCBI key from your NCBI account settings. Not required. Raises the NCBI rate limit from 3 to 10 requests per second."
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            "title": "Webhook URL",
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            "description": "URL to receive results via webhook"
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          }
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