# PubMed record PMID 33491091

> PeptideScanner retained PubMed bibliographic metadata for PMID 33491091 at 2026-08-10T10:49:06.839Z. PubMed recorded a metadata revision date of 2026-08-07 and an Entrez history date of 2021-01-25. PeptideScanner associated this retained record with the identity slug glucagon. These dates describe PubMed metadata history, not the article's original publication date.

- Evidence object: `story:pubmed-pmid-33491091-glucagon:v1`
- Evidence domain: Literature metadata
- Date in source: 2026-08-07
- Source checked: 2026-08-10
- Published by PeptideScanner: 2026-08-10
- Story landing page: https://peptidescanner.com/stories/pubmed-pmid-33491091-glucagon/
- JSON record: https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-33491091-glucagon-v1.json
- Content SHA-256: `9cf9e298c7a540b356fcb438a5d0607c4a2d6d6814a924d48e2c515da008f56b`

## Claims and source pins

### Headline

PubMed record PMID 33491091 ([`pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4`](#source-pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4))

### Summary

PeptideScanner retained PubMed bibliographic metadata for PMID 33491091 at 2026-08-10T10:49:06.839Z. PubMed recorded a metadata revision date of 2026-08-07 and an Entrez history date of 2021-01-25. PeptideScanner associated this retained record with the identity slug glucagon. These dates describe PubMed metadata history, not the article's original publication date. ([`pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4`](#source-pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4))

### Paragraph 1

PeptideScanner retained PubMed bibliographic metadata for PMID 33491091 at 2026-08-10T10:49:06.839Z. PubMed recorded a metadata revision date of 2026-08-07 and an Entrez history date of 2021-01-25. PeptideScanner associated this retained record with the identity slug glucagon. These dates describe PubMed metadata history, not the article's original publication date. ([`pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4`](#source-pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4))

### Paragraph 2

This page reports retained PubMed bibliographic metadata. It does not summarize the article, establish the article's publication date, or assert safety, efficacy, or scientific truth. ([`pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4`](#source-pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4))

## Sources

<a id="source-pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4"></a>
- **PubMed record PMID 33491091 · retained source version 1:2026-08-07:current:b9a8d27a9dd4a5e5c3259f5c4e91f9193028ff575e527bbe82a21402af5ac054** — PubMed; class A. [Open source](https://pubmed.ncbi.nlm.nih.gov/33491091/) (`pubmed-observation-pmid-33491091-2026-08-07-b9a8d27a9dd4`)

## Correction lineage

No correction is recorded for this version.

## Reporting boundaries and unknowns

PeptideScanner reproduces bounded bibliographic metadata attributed to PubMed. It does not summarize or endorse the article's findings.

- Sources outside the selected public PeptideScanner bundle may exist and are not represented by this object.
- This object does not determine whether cited records agree, corroborate one another, or establish scientific truth.
- This object does not determine safety, efficacy, causality, or suitability for any person.

Methodology: https://peptidescanner.com/methodology/
Medical disclaimer: https://peptidescanner.com/medical-disclaimer/

## Suggested citation

PeptideScanner. "PubMed record PMID 33491091." Version 1, published 2026-08-10. https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-33491091-glucagon-v1.json SHA-256: 9cf9e298c7a540b356fcb438a5d0607c4a2d6d6814a924d48e2c515da008f56b.