A preliminary study of national health hazards from lasers.
D004738:Engineering; D006306:Health Surveys; D006801:Humans; D007834:Lasers; D008499:Medical Records; D009786:Occupational Health Services / Q000600:supply & distribution; D009787:Occupational Medicine; D011835:Radiation Protection; D012494:Sampling Studies; D014481:United States; D014787:Vision Tests / Q000600:supply & distribution; D014792:Visual Acuity