RT @MiriamETucker: Dr. Zarin, dir. of clinicaltrials.gov: After 2007 law enacted, trial registrations rose from 25-30 to 300-350/wk #ahcjnlm
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
RT @MiriamETucker: Dr. Zarin, dir. of clinicaltrials.gov: After 2007 law enacted, trial registrations rose from 25-30 to 300-350/wk #ahcjnlm