LitSourceLitSource
World's first literature verification engine designed for medicine and life sciences

Find Verifiable Sources in Seconds. Keep Your Research Defensible.

Back your claims as you write. Verify every reference before you submit.LitSource helps you reduce fabricated, mismatched, and risky citations with traceable literature evidence.

Paste a paragraph from your thesis, a rough hypothesis, or a bold claim here...
Try an example:

Use the first task while writing. Use the second task before a manuscript, bibliography, or AI-generated reference list leaves your desk.

Integrated with leading academic databases

PubMedPubMed CentralLitSenseCrossrefOpenAlexSemantic Scholar

Start from the sentence or citation you already have

LitSource is built for concrete research tasks: find sources for a claim, check whether a reference is real, and reduce fabricated or incorrect citations before they reach your paper.

Why LitSource is different from broad literature search

LitSource focuses on claim-to-source workflows: source-linked papers, citation checks, and evidence you can inspect before citing.

Sentence-level Semantic Retrieval

Forget keyword guessing. Our AI engine truly understands your claim's semantics, pinpointing sentences and paragraphs with similar viewpoints across 30M+ papers—returning citable evidence in seconds, 100x faster than traditional search.

Evidence Tracing ¡ One-click to Source

Every result links directly to the original paper. AI auto-highlights key sentences supporting your claim with full context. One-click export to APA, MLA, EndNote formats—seamless from discovery to citation.

Smart Biomedical Entity Recognition

Deep learning NER models automatically identify and highlight genes, diseases, drugs, cell lines, and more. Real-time access to PubMed, CrossRef, Semantic Scholar—comprehensive biomedical coverage.

Multi-dimensional Precision Filtering

Search by Introduction, Methods, Results, Discussion sections. Combined with publication date and AI-powered ranking—weighing evidence strength, journal impact, and citation trends to surface the most relevant papers first.

How researchers use LitSource

“I mainly use LitSource to find papers while writing reviews. It is useful for filling in missing references because every result points back to a source I can inspect.”

Uses LitSource to find papers and fill in references while writing review articles.

Biomedical writer

Frequently Asked Questions

Real citations, real fast. Here's what you need to know.

Can't find what you're looking for? Contact our support team

Make Every Citation Defensible Before You Submit

Compare Free vs Pro on credits, export options, and verification power, then choose the plan that matches your workload.

LitSource - Find Citations in Seconds