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Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
This chart shows the various lines of responsibility and how they differ in presidential and parliam
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
An example of a medical history sheet to list patient problems.
Four common staining procedures used in chromosomal analysis. Most karyotypes are prepared using G-b
A Short List of Human X-Linked Recessive and X-Linked Dominant Traitsa