| http://www.w3.org/ns/prov#value | - According to the authors, Fifteen percent did not provide a quote and instead asked for more information such as the billing code, 55 (56%) provided a price estimate for hospital services only, 10 (10%) included both physician and hospital services, and 18 (18%) did not specify what was covered (Farrell, Finocchio, Trivedi and Mehrotra, 11/21).
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