An ERD (Entity Relationship Diagram) is a graphical representation of the data in rest within a system (e.g. a business, an organization, an application) that is subject to analysis.
1. REFERENCE DOSE (RfD): DESCRIPTION AND USE IN HEALTH RISK ASSESSMENTS. 1.1. INTRODUCTION. This concept paper describes the U.S. Environmental Protection Agency's (U.S. EPA) principal approach to and rationale for assessing risk for health effects other than cancer and gene mutations from chronic chemical exposure.
The Royal Flying Doctor Service (RFDS) is one of the world's most remarkable medical organisations. Developed by the Rev. John Flynn, it's an Australian invention that gives to people living in the isolation of the vast and remote outback--an angel of mercy. BLANCH: This year the RFDS celebrates 75 years of service.