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Some male birds and mammals congregate in communal courting grounds called leks.
Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Blank cell diagram
With the research technique called brainbow, each neuron is labeled with a different color, ...
Circular movement of ice over lateral area just distal to the elbow. Use medium pressure to apply ...