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Sedimentation of Blood without Anticoagulants

Abstract

SEDIMENTATION of blood usually occurs only after anticoagulants have been added to prevent clotting and allow time for settling. In devising a technique to study thrombosis in vitro 1, an apparatus was made for collecting blood free of tissue thromboplastin and without the addition of anticoagulants. It was incidentally observed that coagulation of blood so collected was delayed sufficiently long for sedimentation to occur. A similar apparatus for collecting blood to study coagulation has been reported by Spaet, Cintron and Kropatkin2.

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CHANDLER, A. Sedimentation of Blood without Anticoagulants. Nature 185, 697–698 (1960). https://doi.org/10.1038/185697a0

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