Anaplasma phagocytophilum, Sardinia, Italy. - Alberti, Alberto; Addis, Maria Filippa; Sparagano, Olivier; Zobba, Rosanna; Chessa, Bernardo; Cubeddu, Tiziana; Parpaglia, Maria Luisa Pinna; Ardu, Mauro; Pittau, Marco (Emerging Infectious Diseases, 2005)