Spontaneous HBsAg clearance in a patient with acute hepatitis B and pleural exudates Authors K. H. Katsanos, Margarita Kitsanou, Klairi Manatou, A. Papathanasopoulos, D. K. Christodoulou, E. V. Tsianos. PDF Issue Volume 20, No 2 (2007) Section Letter to the Editor