GET esearch.fcgi

Web environment string from previous search

Type of date used with reldate

Constraints: {'enum': ['edat', 'mdat', 'pdat']}

Database to search (use 'pmc' for PubMed Central)

Constraints: {'enum': ['pmc', 'pubmed', 'pmcbooks']}

Email address for contact

Specific field to search (e.g., title, author, abstract)

Maximum date (YYYY/MM/DD or YYYY/MM or YYYY)

Minimum date (YYYY/MM/DD or YYYY/MM or YYYY)

Query key from previous search

Return results within last n days

Constraints: {'minimum': 1}

Maximum number of results to return

Constraints: {'minimum': 1, 'maximum': 10000}

Return mode

Constraints: {'enum': ['xml', 'json', 'txt', 'html']}

Index of first result to return (0-based)

Constraints: {'minimum': 0}

Sort order for results

Constraints: {'enum': ['date', 'relevance', 'author', 'title']}

Search query string

Tool name for logging

Store results on history server for later retrieval

Constraints: {'enum': ['y', 'n']}