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> Blood clots Part 3
We have mixed up all the articles (a, an, the) in the text below, try and find the correct place for each one..
Blood clots Part 3 (Teacher: Michael)
Fortunately, in many cases
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an
the
a
correct dosage can be easily found and kept constant. But some patients have
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an
the
a
prothrombin time which varies very greatly and inexplicably. This means
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an
the
a
dosage has to be altered frequently.
If there is
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an
the
a
alarming haemorrhage
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the
a
dose has to be radically changed - and quickly. Possibly,
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an
the
a
doctor will have to give
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an
the
a
injection of
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an
the
a
certain vitamin and then start all over again finding
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an
the
a
right dose.
There are two things
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an
the
a
patient and his relatives must remember: never forget
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an
the
a
appointment for
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an
the
a
taking of
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an
the
a
blood sample and never take other drugs without permission.
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an
the
a
remarkable number of drugs affect
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the
a
prothrombin time very greatly, especially some sedatives and aspirin.
For many sudden crises anticoagulants are extremely valuable - for example, they are used after heart operations. However,
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an
the
a
decision to use them for very long periods, for instance, after
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an
the
a
patient has had
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an
the
a
stroke or
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an
the
a
coronary attack, is
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an
the
a
difficult one to make and experts are not always agreed.
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