a very thin pointed steel tube that is pushed through the skin to put a drug into the body or to take blood out.
to do something in the way some one has told you to do it
something that is done to help someone who is injured or ill
having to do with our bodies
relationship; the way in which two facts , ideas, events,..are related to each other, and one is affected or caused by the other
someone who is getting help from a doctor or is in a hospital
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