# PubMed record PMID 43509

> PeptideScanner retained PubMed bibliographic metadata for PMID 43509 at 2026-07-30T23:02:28.571Z. PubMed recorded a metadata revision date of 2004-11-17 and an Entrez history date of 1979-11-01. 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-43509-glucagon:v1`
- Evidence domain: Literature metadata
- Date in source: 2004-11-17
- Source checked: 2026-07-30
- Published by PeptideScanner: 2026-08-12
- Story landing page: https://peptidescanner.com/stories/pubmed-pmid-43509-glucagon/
- JSON record: https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-43509-glucagon-v1.json
- Content SHA-256: `793a072e66958cd4b77f5ff2d89354e87232fa50f2ba858273816e1cdc9f545a`

## Claims and source pins

### Headline

PubMed record PMID 43509 ([`pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc`](#source-pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc))

### Summary

PeptideScanner retained PubMed bibliographic metadata for PMID 43509 at 2026-07-30T23:02:28.571Z. PubMed recorded a metadata revision date of 2004-11-17 and an Entrez history date of 1979-11-01. 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-43509-2004-11-17-00fe6a89e5dc`](#source-pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc))

### Paragraph 1

PeptideScanner retained PubMed bibliographic metadata for PMID 43509 at 2026-07-30T23:02:28.571Z. PubMed recorded a metadata revision date of 2004-11-17 and an Entrez history date of 1979-11-01. 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-43509-2004-11-17-00fe6a89e5dc`](#source-pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc))

### 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-43509-2004-11-17-00fe6a89e5dc`](#source-pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc))

## Sources

<a id="source-pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc"></a>
- **PubMed record PMID 43509 · retained source version 1:2004-11-17:current:00fe6a89e5dc4855bf1315040b38f0d65b6e29ac9f9f34613afe67eda46d1f09** — PubMed; class A. [Open source](https://pubmed.ncbi.nlm.nih.gov/43509/) (`pubmed-observation-pmid-43509-2004-11-17-00fe6a89e5dc`)

## 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 43509." Version 1, published 2026-08-12. https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-43509-glucagon-v1.json SHA-256: 793a072e66958cd4b77f5ff2d89354e87232fa50f2ba858273816e1cdc9f545a.