n.a local tax on property (usually used in the plural)

A Correlation of Reaction Rates
Dropout rates in randomised antipsychotic drug trials
Statistical methods for rates and proportions.
Turnover Rates in Insular Biogeography: Effect of Immigration on Extinction
Can dietary beta-carotene materially reduce human cancer rates?
On the Pricing of Corporate Debt: The Risk Structure of Interest Rates
V-BLAST: an architecture for realizing very high data rates over the rich-scattering wireless channel
A simple method for estimating evolutionary rates of base substitutions through comparative studies of nucleotide sequences
Maximum likelihood phylogenetic estimation from DNA sequences with variable rates over sites: approximate methods.
A 17,000-year glacio-eustatic sea level record: influence of glacial melting rates on the Younger Dryas event and deep-ocean circula...