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Human immunodeficiency virus (HIV)
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
The injector on-time is called the pulse width.