Columbia subject headings:
Hospital buildings--Sanitation--Handbooks, manuals, etc.
Nosocomial infections--Prevention--Handbooks, manuals, etc.
Surgery, Aseptic and antiseptic--Handbooks, manuals, etc.
Harvard subject headings:
Hospital buildings--Sanitation--Handbooks, manuals, etc.
Nosocomial infections--Prevention--Handbooks, manuals, etc.
Surgery, Aseptic and antiseptic--Handbooks, manuals, etc.
Princeton subject headings: