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The Dall sheep, Ovis dalli, a mountain sheep of far northern North America, was the subject of one o
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ...
A cerebral angiogram of a healthy human subject.
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