Bleich, M How are thresholds being used in quality assessment programs today? Any changes or updates? [electronic resource] - Journal of nursing care quality Jan 1993 - 81-4 p. digital Publication Type: Journal Article ISSN: 1057-3631 Subjects--Topical Terms: HumansNursing Assessment--standardsNursing Records--standardsQuality Assurance, Health Care--organization & administration