There are more nerve cells in one human brain than there are stars in the Milky Way.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
Young adults usually grieve loss of a role, such as employment or the breakup of a relationship.
The couple discusses grief over the loss of a child.
American Government: Roots and Reform, AP* Edition, 12th Edition
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?