Hepatitis B surface Antigen (HBsAg) levels in chronic hepatitis B patients - a comparison between patients of different ages and their hepatitisBeAntigen (HBeAg) seroconversion status in a prospective cohort - Jaafar, Khairul Azhar; Hadi, Qabas Naemah; Mustafa, MIA-D; Hasmoni, Mohamed Hadzri; Tee, Hoi Poh; Che Aun, Azlida; Satwi, Sapari (John Wiley & Sons Ltd, 2015)