Definitions for "OER"
fficer's fficiency eport. Sort of like a yearly review for US Armed Forces officers.
Office of Extramural Research
Order Entry / Reporting; basic functions of service enquiry and result delivering between a clinic / practice and a function unit / service provider (e.g. radiology, pathology, laboratory)
Oxygen enhancement ratio. a measure of the ability of ionizing radiation to damage cells in the presence of excess oxygen relative to radiation damage produced under hypoxic conditions.
Operating Expense Ratio
Observed to expected ratio