Bellotti Paolo;  Fioretti Paolo M.;  Forster Tamás;  McNeill Albert J.;  El-Said El Said M.;  Salustri Alessandro;  Roelandt Jos R. T. C.: Reproducibility of the Dobutamine‐Atropine Echocardiography Stress Test.
  ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES, 10 (1).  pp. 93-97.  ISSN 0742-2822; 1540-8175 (1993)