Infective EndocarditisLancet 387:882-893, Cahill, T.J. & Prendergast, B.D., 2016
Isolated Sphenoid Sinusitis: The Tornoto Hospital for Sick Children Experience and Review of the LiteratureJ Otolaryngol 23:36-41, Hnatuk,L.A.P.,et al, 1994