Alferon, Roferon or Intron A. Some of the interferons that are
currently in use as medications are recombinant interferon alfa-2a,
recombinant interferon alfa-2b, interferon alfa-n1
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The common medicines and injections that should be stored in
refrigerator include the etanercept injection, Interferon Alfa-2a
and Alfa-2b Injection, Toradol, and many others.
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Since the question is 3(2a), then just write it out. 3(2a) is
2a+2a+2a or 6a.