Child labor - Health aspects - Government policy - United States.

Protecting youth at work = health, safety, and development of working children and adolescents in the United States/ by: (Electronic resources)

Child labor- Health aspects- United States.

Industrial hygiene- Government policy- United States.

Higiene industrial- Politica gubernamental- Estados Unidos.

Health Policy- United States.

Industrial safety- Government policy- United States.

Adolescentes- Empleo- Estados Unidos.

Seguridad industrial- Politica gubernamental- Estados Unidos.

Employment- United States.

Occupational Health- United States.

Safety- United States.

Teenagers- Employment- United States.