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Web Interface: PICO (Patient, Intervention, Comparison, and Outcome).
PICO (Patient, Intervention, Comparison, and Outcome) is a fill-in-the-blank Web interface for searching MEDLINE/PubMed for information about conditions and diseases, interventions, comparisons of interventions (optional), and outcomes (also optional). A dropdown menu prompts for publication type from among clinical trials, meta-analyses, systematic reviews, practice guidelines, or, if none is specified, any of the above. PICO returns MEDLINE/PubMed articles responsive to the input.
PICO can also be used to structure literature searches.
PICO is available through PubMed for Handhelds: http://pubmedhh.nlm.nih.gov