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Hepatitis B for Parents
Hepatitis B virus (HBV) spreads from person to person through blood or other body fluids. A vaccine is approved for people of all ages to prevent HBV infection.
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Blood Test: Phosphorus for Teens
A phosphorus test looks at levels of phosphorus in a person's blood. Find out why doctors do this test and what's involved for teens.
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Blood Test: Magnesium for Teens
A magnesium test looks at levels of the mineral magnesium in a person's blood. Find out why doctors do this test and what's involved.
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Blood Transfusions for Teens
Millions of people a year get blood transfusions in the United States. This article explains why people need them and who donates the blood used.
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A Kid's Guide to Shots for Kids
You've probably had most of your shots. But even bigger kids may need a shot once in a while. Find out more about them in this article for kids.
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How to Safely Store and Dispose of Medicines for Parents
Part of using medicines safely is knowing how to store them and how to get rid of them after they expire or are no longer needed.
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What's a Syringe? for Kids
A syringe is the needle a doctor uses to give you a shot or draw blood.
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Biopsies for Parents
Doctors order biopsies to examine tissue or cells when they're concerned about a problem such as an infection, inflammation, or cancer.
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Aspiration and Biopsy: Bone Marrow for Parents
A bone marrow aspiration and biopsy are performed to examine bone marrow, the spongy liquid part of the bone where blood cells are made.
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Intravenous Line (IV) for Parents
An intravenous line (IV) is a soft, flexible tube placed inside a vein, usually in the hand or arm. Doctors use them to give a person medicine or fluids.