Linking and Anchoring: The Manual MLR Task Everyone Hates

"I'm not reviewing this until it's linked and anchored." Every experienced MLR reviewer has a version of that line, and they mean it. Linking and anchoring is the least glamorous job in the whole content process, the one that gets done last, fastest, and most grudgingly. It is also the single task that most decides whether your piece clears review or bounces back.

We have looked at why materials loop through review so many times and what actually needs a reference. This is the hands-on version: how you physically prepare a reference pack so a reviewer can verify it instead of rebuilding it.

Linking and anchoring are not the same thing

People say "linked and anchored" in one breath, but they are two different jobs.

Linking connects each claim to the reference that supports it: this sentence is backed by that paper.
Anchoring goes a level deeper. It pinpoints the exact line, figure, or table inside that reference, usually by highlighting and annotating the source PDF, so the reviewer sees precisely where the support lives.

A pack can be linked but not anchored: every reference attached, but the reviewer still has to read a 20-page paper to find the one sentence that matters. Linking tells the reviewer which document; anchoring tells them which line. Only the second one saves them time, and time is the whole game.

Why everyone hates it

There is no kind way to put it: anchoring is tedious. A single promotional piece can carry dozens of claims and references, and each one has to be opened, read, highlighted, and tied back to the right line of copy. It is repetitive, unglamorous work that almost always lands at the end of the timeline, under deadline, and often falls to the most junior person on the team or the writer finishing at 11pm. For agencies and freelance medical writers, building and annotating the reference pack, then loading it into Veeva, is a real share of the hours a client pays for.

And you rarely do it once. Every new version of a piece, and there can be many, risks invalidating the anchoring you already did. Veeva Vault PromoMats tries to ease this: its bring-forward annotations and auto-linking features carry link annotations from a previous version into the new one, which can dramatically cut the rework. In practice it helps without fully solving the problem. A carried-over anchor often lands on the right page but no longer points to the exact line of the claim, so you re-anchor it by hand. And once a change is structural, a slide added to a deck, or paragraphs reordered on a page, the carry-over becomes uncertain and you can be back to anchoring from scratch. (Veeva has been improving these capabilities, so the reality is getting better.)

Why it is non-negotiable anyway

Reviewers hold the line for a reason. When a draft arrives un-anchored, the reviewer is not reviewing; they are doing the forensic work the submitter skipped, hunting through PDFs for the evidence. That is why so many refuse to start until a pack is properly linked and anchored, and why anchoring quality is the biggest single lever on how fast review goes.

The cost of skipping it does not disappear; it just moves. In many teams the company's own staff end up redoing or double-checking the annotation and the Veeva upload themselves, a last line of defense against work that arrived not quite ready.

How anchoring goes wrong

Even teams that anchor often anchor badly. The recurring failures:

The highlight is in the wrong part of the paper. More often than anyone would like, the highlighted passage sits in the abstract or the introduction rather than the results. An abstract is a summary, not primary evidence, so a claim anchored to it is not really anchored.
Linked but not anchored. The reference is attached but nothing is highlighted, so the reviewer is back to reading the whole document to find the supporting line.
The highlight does not match the claim. A highlight is only as good as its fit to the copy; if the marked line does not say what your claim says, you have anchored to the wrong evidence. (More on that in what actually needs a reference.)
The wrong version is attached: an outdated paper, or the wrong region's prescribing information.

The pre-submission reference-pack checklist

Run a pack through this before it goes to MLR. Tick every box and you remove most of the reasons pieces get sent back. Copy it into your own QA document and make it the last thing you do before you submit.

1. Claim-to-reference mapping

☐ Every claim has at least one reference, and every reference supports at least one claim
☐ Each reference is the primary source (original data), not a review, secondary citation, or abstract

2. Anchoring

☐ The exact supporting sentence, figure, or table is highlighted in each source PDF
☐ The highlight sits in the results or data, not the abstract or introduction
☐ Each claim points to the specific page and location of its evidence

3. Claim and source match

☐ The claim's wording matches what the source says, with no drift ("unique," "first-line," "best")
☐ Numbers match exactly: patient n, comparator arm, endpoint, statistics, timeframe
☐ The claim's population and context match the study's

4. Label consistency

☐ No claim contradicts the approved prescribing information
☐ Checked against the correct region's PI (US vs EU or UK)
☐ Comparative and superlative claims have head-to-head evidence
☐ Audience-appropriate: patient-facing stays label-aligned, prescriber-facing publication support complements the label

5. Formatting and completeness

☐ References in the required style (AMA or Vancouver) with complete metadata
☐ Reference-list numbering matches the in-text citations, with no missing or dead references
☐ Required fair-balance and safety information is present

Doing it without the late nights

Linking and anchoring is painful because it is treated as a final, separate chore, done by hand after the writing is finished. It does not have to be.

The alternative is to anchor as you draft. That is what PharmaText.ai was built to do: our Precision Traceability engine ties every claim to specific coordinates in your source PDFs while the content is being written, then exports a pack that is already linked, already annotated, and ready to load. No 11pm highlight marathon, and nothing left for the human firewall to redo. The tedious task does not get faster; it stops being a task.

Sources: annotation and review-time findings from the Medical Affairs workload overview by Maaike Addicks, medicalaffairs.nl (2025).