World Health Organization
Safe listening devices and systems: a WHO-ITU standard
Public Health
The National Institute for Occupational Safety and Health (NIOSH) at The Centers for Disease Control and Prevention discusses the Occupational Safety and Health Act of 1970 and issues guidelines on occupational noise exposure to ensure safe and healthful working conditions for every working American.
Safe listening devices and systems: a WHO-ITU standard
Types of Tests Used to Evaluate Hearing in Children and Adults
Patient Hearing Checklist
State Funding Resources for Audiology Services and Hearing Aids