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A reindeer sled, Arkhangelsk, Russia. Late nineteenth-century photochrom.
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Index of seed size and hardiness prior to, during, and after drought.
Monstrous people from distant lands depicted in a fifteenth-century European woodcut.
Phases of Drug Development
The Last Century Trends