A related body of law in the United States, falling under the categories of Right to Know (RTK), freedom of information, and government in the sunshine, have affected open information policies at all levels of government across many different categories. 2018, Patrick McHaffie, Sungsoon Hwang, Cassie Follett, GIS: An Introduction to Mapping Technologies, CRC Press, →ISBN:
(abbreviation, alt-of, countable, initialism, uncountable) Initialism of receptor tyrosine kinase.