Trace a clinical question to the research and distinguish effect size, certainty and the population.
NLM / NIH
Check papers, abstracts and original sourcesFind literature for a clinical question and inspect authors, publication dates, abstracts and full-text links.
PubMed provides citations and abstracts, not journal full text. Access depends on the publisher or archive.
Read the official descriptionCochrane
Read systematic reviews and plain-language summariesExplore a question’s research synthesis and the confidence researchers have in the findings.
Plain-language summaries are public; full-review access varies. Applicability still depends on the population and question.
Cochrane · Chapter 14
Show effect size and confidence separatelyPresent important outcomes, relative and absolute effects, available data and certainty, with reasons for downgrading.
GRADE evaluates a body of evidence for a particular outcome. Database inclusion or one study does not automatically establish high certainty.
These references support problem definition and evidence appraisal. Your conclusions still require project-specific sources and professional review.