title: Interventional PFO closure: what we see is but the tip of the iceberg.
authors.forename: S
authors.initials: S
authors.lastname: Windecker
authors.forename: B
authors.initials: B
authors.lastname: Meier
mesh_terms: D004417:Dyspnea / Q000209:etiology; D004621:Embolization, Therapeutic / Q000295:instrumentation; D006344:Heart Septal Defects, Atrial / Q000150:complications / Q000628:therapy*; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D019736:Prostheses and Implants