Columbia subject headings:
Critical care medicine--Handbooks, manuals, etc.
Nervous system--Diseases--Handbooks, manuals, etc.
Nervous system--Surgery--Handbooks, manuals, etc.
Harvard subject headings:
Critical care medicine--Handbooks, manuals, etc.
Nervous system--Diseases--Handbooks, manuals, etc.
Nervous system--Surgery--Handbooks, manuals, etc.
Princeton subject headings: