# PubMed record PMID 19903499

> PeptideScanner retained PubMed bibliographic metadata for PMID 19903499 at 2026-07-30T21:22:57.965Z. PubMed recorded a metadata revision date of 2017-11-16 and an Entrez history date of 2009-11-12. PeptideScanner associated this retained record with the identity slug bpc-157. These dates describe PubMed metadata history, not the article's original publication date.

- Evidence object: `story:pubmed-pmid-19903499-bpc-157:v1`
- Evidence domain: Literature metadata
- Date in source: 2017-11-16
- Source checked: 2026-07-30
- Published by PeptideScanner: 2026-08-12
- Story landing page: https://peptidescanner.com/stories/pubmed-pmid-19903499-bpc-157/
- JSON record: https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-19903499-bpc-157-v1.json
- Content SHA-256: `8561a708aaee6bef9397c06988dd14eb141b87e3b9204d66a0e2b4df7de90b64`

## Claims and source pins

### Headline

PubMed record PMID 19903499 ([`pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1`](#source-pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1))

### Summary

PeptideScanner retained PubMed bibliographic metadata for PMID 19903499 at 2026-07-30T21:22:57.965Z. PubMed recorded a metadata revision date of 2017-11-16 and an Entrez history date of 2009-11-12. PeptideScanner associated this retained record with the identity slug bpc-157. These dates describe PubMed metadata history, not the article's original publication date. ([`pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1`](#source-pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1))

### Paragraph 1

PeptideScanner retained PubMed bibliographic metadata for PMID 19903499 at 2026-07-30T21:22:57.965Z. PubMed recorded a metadata revision date of 2017-11-16 and an Entrez history date of 2009-11-12. PeptideScanner associated this retained record with the identity slug bpc-157. These dates describe PubMed metadata history, not the article's original publication date. ([`pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1`](#source-pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1))

### 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-19903499-2017-11-16-e08d8d4119e1`](#source-pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1))

## Sources

<a id="source-pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1"></a>
- **PubMed record PMID 19903499 · retained source version 1:2017-11-16:current:e08d8d4119e10d12467ab77a04f9878a1cd5f6d2bb1e45d5ba1447320da87ce3** — PubMed; class A. [Open source](https://pubmed.ncbi.nlm.nih.gov/19903499/) (`pubmed-observation-pmid-19903499-2017-11-16-e08d8d4119e1`)

## 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/
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## Suggested citation

PeptideScanner. "PubMed record PMID 19903499." Version 1, published 2026-08-12. https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-19903499-bpc-157-v1.json SHA-256: 8561a708aaee6bef9397c06988dd14eb141b87e3b9204d66a0e2b4df7de90b64.