About this page

Our systems have detected unusual traffic from your computer network. This page checks to see if it's really you sending the requests, and not a robot. Why did this happen?

IP address: 44.203.219.117
Time: 2024-03-28T17:09:10Z
URL: http://scholar.google.com/scholar_lookup?title=Characteristics+of+clinical+trials+registered+in+ClinicalTrials.gov%2C+2007%E2%80%932010&year=2012&author=Califf&journal=JAMA&volume=307&issue=17&pages=1838-1847&doi=10.1001%2Fjama.2012.3424&pmid=22550198