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Current practices and challenges in the standardization and harmonization of clinical laboratory tests
clinical laboratory tests harmonization iodine status standardization thyroid function tests
2018/12/14
Effective patient care, clinical research, and public health efforts require comparability of laboratory results independent of time, place, and measurement procedure. Comparability is achieved by est...
A PRELIMINARY REPORT ON THE DESIGN,PREPARATION,AND STANDARDIZATION OF A VISION SCREENER “E” CHART
Visual acuity “E” chart Methodology
2009/12/31
To facilitate a comprehensive whole population visual acuity screening, a 1-meter vision screener “E” chart was prepared to be used in the person-by-person household visual acuity examination by non-e...