What does RER stand for?

What does RER mean?

RER	Rough Endoplasmic Reticulum Medical » Physiology
RER	Rough Endoplasmic Reticulum Medical » Human Genome
RER	Respiratory Exchange Ratio Medical » Physiology
RER	Réseau Express Régional International » French
RER	Reseau Express Regional Governmental » Transportation
RER	Rerun Community » Media
RER	Rental Equipment Register Business » Firms
RER	Rotax Electronic Reverse Miscellaneous » Unclassified
RER	Real Estate Roundtable Community » Conferences
RER	Regional Economic Research, Inc. Business » Firms
RER	Remediation Effectiveness Report Governmental » US Government
RER	Research Expenditure Report Governmental » NASA
RER	Research Expenditure Report Governmental » US Government
RER	Research Expenditure Report Governmental » Transportation
RER	Research Expenditure Report Governmental » Military
RER	Research Expenditure Report Business » General
RER	Research Expenditure Report Medical » Oncology
RER	Rubberized Equipment Repair Governmental » NASA
RER	Rubberized Equipment Repair Governmental » Military
RER	Rubberized Equipment Repair Governmental » Transportation
RER	Reusable - Expendable - Reusable Governmental » Military
RER	Reusable - Expendable - Reusable Governmental » NASA
RER	Radiation Effects Reactor Academic & Science » Chemistry
RER	Remote REadout Governmental » NASA
RER	Remote REadout Governmental » Military