Few RA clinical trials compare one drug to another (Reuters)

[unable to retrieve full-text content]Reuters - To test whether a new drug is an improvement over existing treatments, the ideal clinical trial would compare the medications head to head, but few trials of rheumatoid arthritis treatments happen that way, according to a new study.

Source: http://us.rd.yahoo.com/dailynews/rss/health/*http%3A//news.yahoo.com/s/nm/20120217/hl_nm/us_clinical

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