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NDB | |
abbr. avia. | nondirectional radio beacon |
abbr. chem. scient. | National Discount Broker |
abbr. geol. | National Data Bank |
abbr. IT | Network DataBase; No Data Base |
abbr. med. | National Dental Boards; Nucleic Acid Database |
abbr. st.exch. | National Disk Brokers Group |
abbr. transp. | Non Directional Beacon; Nondirectional Beacon |
USA | |
abbr. med. | Urology Society Of America |