| Pacific ADA and IT Center
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| Partners in Information Access for the Public Health Workforce
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| Pathology and lab medicine images on flickr
Images relating to the practice of diagnostic pathology and clinical laboratory medicine
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| PDA Anesthesia/Medical Resources
USC Keck School of Medicine. Department of Anesthesiology
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| PedsCCM and IntensiveCare.com: Resources for Practicing Evidence-based Medicine
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| Perinatology.com
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| Perkin Elmer
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| Pharmacist.com
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| Photos, Images, and Videos from the National Eye Institute
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| Physical Therapy - The Web Space
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| Physical Therapy Board of California
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| PhysicalTherapist.com
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| PHYSIO list
Listserv for physical therapists
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| Pre-NAPLEX
Fee required.
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| Profiles in Science
National Library of Medicine
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| Project Inform
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| Project Inform (Spanish)
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| Promega
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| PT Global Net
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| PTCentral
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| PTHER
Yahoo! Groups unmoderated physical therapy forum
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| Public Agenda Online
Source for public opinion and policy analysis
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| Public Health Matters
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| The Public's Health
|
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| PubMed Basics
Tri-fold handout in PDF format
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| PubMed My NCBI
Trifold handout in PDF format
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| PubMed Tutorial, National Library of Medicine
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= USC users only 
= Multiple sources