Columbia subject headings:
Cardiovascular system--Surgery--Handbooks, manuals, etc.
Chest--Surgery--Handbooks, manuals, etc.
Heart--Surgery--Handbooks, manuals, etc.
Harvard subject headings:
Cardiovascular system--Surgery--Handbooks, manuals, etc.
Chest--Surgery--Handbooks, manuals, etc.
Heart--Surgery--Handbooks, manuals, etc.
Princeton subject headings: