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Author Question: What is the formula mass of sulfur dioxide, SO2? A) about 16 amu B) about 32 amu C) about 60 ... (Read 25 times) |
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.