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  • Atrial Septal Defect (19/12/2011 14:14:31)

  • Atrial septal defect or ASD for short, is a heart condition that can affect kids. To understand an atrial septal defect, it helps to know how the heart works. The heart has four chambers. The lower chambers of the heart are called the ventricles. There are two ventricles: a left ventricle and a right ventricle. The upper chambers are the atria and there are two of them — a left atrium and a right atrium.

    Xem bản gốc từkidshealth
  • Alzheimer disease (19/12/2011 11:34:06)

  • We all forget things once in a while. Maybe you've forgotten to send a card for someone's birthday or to return an overdue library book. Forgetting stuff is a part of life and it often becomes more common as people age.

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