I hope this link works here. I sent it to myself and was able to read it.
http://mailcenter.comcast.net/wmc/v/wm/460ED0E800039956000047C822007348300B019D9D0E08049D0E0C/25MAR07%20Pacemaker%20Newsletter%2Epdf?cmd=MimePart&no=14&uid=63959&sid=c0&format=raw&mimepart=2&content_type=application/octet-stream&name=25MAR07%20Pacemaker%20Newsletter%2Epdf