Learn about 4 different cancers that involve the bone marrow and produce a large number of cells in the blood stream. By Raja Narayan. Visit us ([ Ссылка ]) for health and medicine content or ([ Ссылка ]) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. Created by Raja Narayan.
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