---
title: "PMID 34499413 → PMCID PMC8874039 & DOI | Scholar Sidekick"
description: "PMID 34499413 maps to PMCID PMC8874039 and DOI 10.1002/cre2.490. No retraction found. A free, legal copy is available. Checked 2026-08-13."
doc_version: "1.0"
last_updated: "2026-08-13"
---

# PMID 34499413 → PMC8874039

> HTML version: https://scholar-sidekick.com/tools/pubmed-id-converter/34499413
> Last updated: 2026-08-13

Lip‐closing strength in children is enhanced by lip and facial muscle training — Clinical and Experimental Dental Research (2021)

## Identifier mapping

- **PMID:** 34499413 — [PubMed record](https://pubmed.ncbi.nlm.nih.gov/34499413/)
- **PMCID:** PMC8874039 — [PMC record](https://pmc.ncbi.nlm.nih.gov/articles/PMC8874039/)
- **DOI:** 10.1002/cre2.490 — [Resolve](https://doi.org/10.1002/cre2.490)

## Formatted citation (Vancouver)

```
Nogami Y, Saitoh I, Inada E, Murakami D, Iwase Y, Kubota N, et al. Lip‐closing strength in children is enhanced by lip and facial muscle training. Clinical & Exp Dental Res. 2021;8(1):209-216. doi:10.1002/cre2.490.
```

Need APA, AMA, or one of 10,000+ other styles? Use the [Citation Style Comparator](https://scholar-sidekick.com/tools/citation-style-comparator) or the [citation formatter](https://scholar-sidekick.com/).

## Integrity & access status

- **Retraction:** No retraction found (Crossref, checked 2026-08-13)
- **Open access:** Open access (gold) (Unpaywall, checked 2026-08-13)
- [Read the free, legal copy](https://doi.org/10.1002/cre2.490)

Re-check live with the [Retraction Checker](https://scholar-sidekick.com/tools/retraction-checker) or the [Open Access Checker](https://scholar-sidekick.com/tools/open-access-checker).

## About this page

This is a snapshot answer for one identifier, generated from the NCBI ID Converter, Crossref, and Unpaywall on 2026-08-13. To convert any other PMID, PMCID, or DOI, use the [PubMed ID Converter](https://scholar-sidekick.com/tools/pubmed-id-converter). To check whether a citation is real, use the [Citation Verifier](https://scholar-sidekick.com/tools/citation-verifier).

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