Stokes, N.A. & Burreson, E.M. (2001). Differential Diagnosis Of Mixed Haplosporidium Costale And Haplosporidium Nelsoni Infections In The Eastern Oyster, Crassostrea Virginica, Using DNA Probes. Journal Of Shellfish Research, 20(1), 207-213. https://scholarworks.wm.edu/vimsarticles/475