| http://www.w3.org/ns/prov#value | - Patent US4785826 - Biopsy instrument - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThis invention relates to an instrument of a type known variously a a biopsy needle or cannula and used to gather tissue, and particularly soft tissue such as bone marrow, from living persons or animals for pathological study.
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