CFR > Title 42 - Public Health > CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER C—MEDICAL CARE AND EXAMINATIONS (parts 31 to 38) > PART 37—SPECIFICATIONS FOR MEDICAL EXAMINATIONS OF UNDERGROUND COAL MINERS > SUBPART —Chest Roentgenographic Examinations (§37.1 to §37.80) > 37.1—Scope.