Columbia subject headings:
Emergency medical services--Quality control--Handbooks, manuals, etc.
Health services accessibility--Handbooks, manuals, etc.
Health status indicators--Handbooks, manuals, etc.
Maternal health services--Quality control--Handbooks, manuals, etc.
Mothers--Mortality--Prevention--Handbooks, manuals, etc.
Obstetrical emergencies--Handbooks, manuals, etc.
Harvard subject headings:
Emergency medical services--Quality control--Handbooks, manuals, etc.
Health services accessibility--Handbooks, manuals, etc.
Health status indicators--Handbooks, manuals, etc.
Maternal health services--Quality control--Handbooks, manuals, etc.
Mothers--Mortality--Prevention--Handbooks, manuals, etc.
Obstetrical emergencies--Handbooks, manuals, etc.
Princeton subject headings:
Emergency medical services--Quality control--Handbooks, manuals, etc.
Health services accessibility--Handbooks, manuals, etc.
Health status indicators--Handbooks, manuals, etc.
Maternal health services--Quality control--Handbooks, manuals, etc.
Mothers--Mortality--Prevention--Handbooks, manuals, etc.
Obstetrical emergencies--Handbooks, manuals, etc.