A STILL UNSOLVED PROBLEM.
Antonio Totaro MD a-b, Antonio Maria Calafiore MDa, Cosimo Sacra MD a, Gianluca Testa MD PhD b
a. Department of Cardiovascular Sciences, Gemelli Molise Hospital, Campobasso, Italy
b. Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Campobasso, Italy