Diagnóstico del signo de la pleura hendida mediante ecografía con contraste Sergio Jiménez Serrano; Igor Radalov; Ivan Vollmer;

Langerhans Cell Sarcoma of the Lung: CT, PET-CT, US and CEUS Findings Olatz Sáenz de Argandoña; Judit Mestres; Ivan Vollmer;

[Translated article] Usefulness of Contrast Ultrasound in Ruling Out Local Recurrence After Radiation Therapy for Lung Cancer Mario Matute-González; Ivan Vollmer;