Media type: E-Article Title: Shortened head-up tilt testing potentiated with sublingual nitroglycerin in patients with unexplained syncope Contributor: Del Rosso, Attilio; Bartoli, Paolo; Bartoletti, Angelo; Brandinelli-Geri, Antonio; Bonechi, Francesco; Maioli, Mauro; Mazza, Fortunato; Michelucci, Antonio; Russo, Laura; Salvetti, Elisa; Sansoni, Marco; Zipoli, Andrea; Fierro, Alfredo; Ieri, Aldo imprint: Elsevier BV, 1998 Published in: American Heart Journal Language: English DOI: 10.1016/s0002-8703(98)70268-6 ISSN: 0002-8703 Keywords: Cardiology and Cardiovascular Medicine Origination: Footnote: