1984. Surface immunoglobulin on granular and agranular leukocytes in the thymus and spleen of the snapping turtle, Chelydra serpentina. Dev Comp Immunol, 8(1): 109-120Mead KF,Borysenko M.Surface immunoglobulins on granular and agranularleukocytes in the thymus and spleen of the snapping turtle....