1. World Trade Center Health Program: Quality assurance program should include monitoring of access to health services : report to congressional committees Publication: Washington, DC : United States Government Accountability Office, July 2022 Subject(s): Government RegulationLegislation, MedicalProgram EvaluationQuality Assurance, Health CareSeptember 11 Terrorist Attacks -- legislation & jurisprudenceWar-Related Injuries -- epidemiologyUnited StatesNational Institute for Occupational Safety and Health.