pubmed:affiliation |
Department of Cardiology, Thoraxcenter, University Medical Center Groningen, University of Groningen, PO Box 30.001, 9700 RB Groningen, The Netherlands. i.c.van.gelder@thorax.umcg.nl
|
pubmed:publicationType |
Journal Article,
Controlled Clinical Trial,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
|