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Doctors insert a long , thin tube ( catheter ) that 's passed through an artery , usually in your leg , to a blocked artery in your heart . Storm A appears to have formed along a pronounced radar reflectivity feature , confined to the convective boundary layer ( CBL ) , and exhibiting many characteristics of a horizontal convective roll ( HCR , Wilson et al. ( 1994 ) ; Weckwerth et al. ( 1997 ) ) . The Agency for Toxic Substances and Disease Registry ( ATSDR ) has announced the nineteen sites for which it has completed public health assessments during the period from April 1 , 2000 through June 30 , 2000 . Entitled " Scientific Evidence of Intelligent Design and its Implications for Public Policy and Education , " the briefing was sponsored by the Discovery Institute , a Seattle-based think tank ( http://www.discovery.org ) , and its Center for the Renewal of Science and Culture . Filing System ( ECFS ) .