Type Info Provider Full Text
publishers/providers full-text online publisher of information in url subscription/membership/fee required Elsevier Science
aggregators full-text online subscription/membership/fee required ClinicalKey
aggregators full-text online subscription/membership/fee required Ovid Technologies, Inc.
clinical trials free resource ClinicalTrials.gov
consumer health free resource Genetic Alliance
consumer health free resource MedlinePlus Health Information
institutional repository free resource full-text pdf Spiral, Imperial College Digital Repository