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Synthesis of the active hormone formed from vitamin D or its precursor in skin.
Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Unemployment and Federal Action, 1929–1941
Selective breeding of maze-bright and maze-dull strains of rats by Tryon (1934). (Data from Cooper, ...
Newly Industrialized Countries