• § 284. Directors of national research institutes

• § 284a. Advisory councils

• § 284b. Repealed.

• § 284c. Certain uses of funds

• § 284d. Definitions

• § 284e. Research on osteoporosis, Paget’s disease, and related bone disorders

• § 284f. Parkinson’s disease

• § 284g. Expansion, intensification, and coordination of activities of National Institutes of Health with respect to research on autism spectrum disorder

• § 284h. Pediatric Research Initiative

• § 284i. Autoimmune diseases

• § 284j. Muscular dystrophy research

• § 284k. Clinical research

• § 284l. Enhancement awards

• § 284m. Program for pediatric studies of drugs

• § 284m-1. Pediatric Advisory Committee

• § 284n. Certain demonstration projects

• § 284o. Activities of the National Institutes of Health with respect to research on paralysis

• § 284p. Activities of the National Institutes of Health with respect to research with implications for enhancing daily function for persons with paralysis

• § 284q. Pain research

• § 284q-1. NIH opioid research

• § 284r. Basic research

• § 284s. Tick-borne diseases