---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch6A/schIII/ptD"
level: "part"
label: "Part D"
heading: "National Library of Medicine"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch6A-schIII-ptD"
sections_count: 15
---

# Part D — National Library of Medicine

Title 42 — The Public Health and Welfare › Chapter 6A — Public Health Service › Subchapter III — National Research Institutes

## Contents

- [Subpart 1 — general provisions](/usc/42/ch6A-schIII-ptD-spt1.md)
- [Subpart 2 — financial assistance](/usc/42/ch6A-schIII-ptD-spt2.md)
- [Subpart 3 — national center for biotechnology information](/usc/42/ch6A-schIII-ptD-spt3.md)
- [Subpart 4 — national information center on health services research and health care technology](/usc/42/ch6A-schIII-ptD-spt4.md)