Columbia subject headings:
Air pilots--Medical examinations--Handbooks, manuals, etc.
Aviation medicine--United States--Handbooks, manuals, etc.
Eye--Examination--Handbooks, manuals, etc.
Otolaryngologic examination--Handbooks, manuals, etc.
Harvard subject headings:
Air pilots--Medical examinations--Handbooks, manuals, etc.
Aviation medicine--United States--Handbooks, manuals, etc.
Aviation medicine.
Ear--Diseases
Eye--Diseases
Eye--Examination--Handbooks, manuals, etc.
Otolaryngologic examination--Handbooks, manuals, etc.
Princeton subject headings: