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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.