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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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The longest a person has survived after a heart transplant is 24 years.

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The horizontal fraction bar was introduced by the Arabs.

A revised animal phylogeny based on molecular data of SSU rRNA A revised animal phylogeny based on molecular data of SSU rRNA
The Cordulegastridae are a family of Odonata (dragonflies) from the suborder Anisoptera. They are co The Cordulegastridae are a family of Odonata (dragonflies) from the suborder Anisoptera. They are co
Model for evidence-based clinical decision making. Model for evidence-based clinical decision making.
Teaching methods based on patients developmental capacity Teaching methods based on patients developmental capacity
An electrochemical cell is based on these two half-reactions An electrochemical cell is based on these two half-reactions
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

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