Platelet ultrastructural morphometry for diagnosis of partial °-storage pool disease in patients with mild platelet dysfunction and/or thrombocytopenia of unknown origin. Study of 24 cases - Pujol-Moix, N; Hernández, A; Escolar, G; Español, I; Martínez-Brotóns, F; Mateo, J (Haematologica, 2000)