# Correction: Endogenous tetrahydrobiopterin in humans: circadian rhythm, sex, race, age, and disease status

**Authors:** Lan Gao, Neil Smith, Ronald Kong

PMC · DOI: 10.3389/fphar.2025.1764401 · Frontiers in Pharmacology · 2025-12-19

## Full-text entities

- **Chemicals:** tetrahydrobiopterin (MESH:C003402)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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Source: https://tomesphere.com/paper/PMC12757689