| http://www.w3.org/ns/prov#value | - Documentation may be from any licensed medical professional (e.g., a physician or other medical professional certified by a State, the District of Columbia, or a U.S. Territory to practice medicine), a licensed vocational rehabilitation specialist (i.e., State or private), or any Federal or State agency, or agency of the District of Columbia or a U.S. territory that issues or provides disability b
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