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Resistance, Immunity, Susceptibility
medical | physiology
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Reviving The Islamic Spirit
community | religion
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Regulatory Information Specialist
governmental | fda
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Remote Installation Services
miscellaneous | unclassified
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Relocation Information Services
business | general
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Reliable Internet Systems
business | companies & firms
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River Information Services
academic & science | ocean science
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Radiological Information System
medical | oncology
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Reservoir Induced Seismicity
academic & science | geology
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Regional Innovation Strategies
business | international business
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Remote Installation Server
computing | general
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Reporting Identification Symbols
governmental | nasa
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Robotics Invention System
miscellaneous | unclassified
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miscellaneous | unclassified
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miscellaneous | unclassified
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Regional Innovation And Strategy
business | general
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Rotational Isomeric State
miscellaneous | unclassified
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Regulatory Impact Statement
governmental | environmental
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regional | airport codes
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Retail Information System
business | general
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Reconnaissance Information System
governmental | military
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Republik Indonesia Serikat
international | indonesian
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Remote Installation Service
computing | networking
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Radiology Information Systems
business | companies & firms
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Research Information System
academic & science | universities
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Remote Installation Server
computing | drivers
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miscellaneous | unclassified
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Radiology Information System
miscellaneous | unclassified
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Reprographic Imaging Services
business | companies & firms
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Regional Innovation Strategy
business | international business
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Rainbow International School Seoul
academic & science
-
miscellaneous | unclassified
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Retroviral Immunology Section
governmental | fda
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Regulation Impact Statement
regional | australian
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Research Information System
governmental | nasa
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Registration Information Sheet
governmental | us government
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Richfield International Ltd
business | asx symbols
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Ruamrudee International School
academic & science | universities