Finding the reason of the falsely high price of drug and using the foreign countries' experience to control the price of drug is the purpose of this dissertation.

探究我国药价虚高的成因以及借鉴国外药价调控经验，治理我国药价虚高成为本文的立意所在。

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Using data from the Aids Linked to Intravenous Experience (ALIVE) study of 3, 380 intravenous drug users, Dr Sterling and his colleagues studied individuals who had contracted HIV within 12 months of a previous visit and before December 1997.

BBC: HIV test