According to the draft plan for China's healthcare reform which was publicized on April 7, 2009,a big portion of sales in hospital pharmacies will have to be shifted in 2-3 years to chain drugstores. NPD has an unmatchable position in this regard. The following link should help understand the current Chinese drugstore business in comparioson with that of US.
But it will take time. Keep in mind that Docs in China are poorly paid generally - keep in mind that drugs are a major source of hospital income and revenue in China - ergo some of those earnings may go back to individuals.
There are some that will be fighting change tooth and nail.