title: Letter: "Swiss-cheese" platelets.
mesh_terms: D001791:Blood Platelet Disorders / Q000097:blood*; D001792:Blood Platelets / Q000648:ultrastructure*; D006801:Humans; D007951:Leukemia, Myeloid / Q000097:blood*; D008854:Microscopy, Electron; D009196:Myeloproliferative Disorders / Q000097:blood*