In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Lung cancers
Infection transmission
A phylogeny of Flu Virus Hemaglutinin genes
Blisters caused by HSV-1.
Acromegaly caused by a tumor on his pituitary gland
An example of a cell-mediated immune response targeting virus-infected cells.