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They work best after 1 to 2 hours , usually last 3 to 4 hours , and sometimes last up to 6 hours . Database containing the entire content of an item , usually also including an abstract and citation ; often indicated by a symbol , such as a book icon , the words " full-text , " or by file type , such as " . In situations not covered by the recent amendments to the FCRA , there may be a charge to obtain a copy , usually $ 9.50 . Cancer of the prostate , which tends to be slow growing , usually develops in the gland 's peripheral zone , where it can be palpated with a digital rectal exam ( DRE ) . The bondholder receives interest payments ( yield ) and the principal , usually $ 1000 , is repaid on a fixed maturity date ( bonds can mature anywhere between 1 to 30 years ) . A CD with a very large denomination , usually $ 1 million or more . These law journals are scholarly publications , usually produced at a law school and edited by upper-level students . Otherwise , there may be a charge , usually $ 9.50 . With a single premium , usually $ 5,000 or more , the insured has a paid-up insurance policy .