find, understand, compare and select resources == discovery
use and connect them in workflows == (inter)operability
National Library of Medicine - Errata, Retractions, and Other Linked Citations in PubMed - "NLM creates links in PubMed between citations for original articles and citations for retraction and erratum notices, expressions of concern, corrected and republished articles, comments, duplicate publications, updates, patient summaries, and republished articles."
Search for retracted articles in Web of Science by choosing "Document Type" from the dropdown and typing "Retraction", "Retracted Publication" or "Retraction of Publication" in the search field. You must must also choose a subject in order to view retractions. In this case, the word "medical" was searched under All Fields to find articles with the word medical in the title or abstract.
Search for retracted articles in ProQuest PsycInfo under Advanced Search. Type the subject, for example "medical," and then the word "retraction" in the search boxes. Under Record Type, choose "Retraction" and then Search. Results for articles that have been removed, retracted, or have a retraction notice are returned.