Retrospective review of documentation practices of hepatitis B immunoglobulin, birth dose, and vaccination at the hospital of birth, in Thai nationals and migrants in Northern Thai... by Bierhoff, M, Pinyopornpanish, Kanokporn, Pinyopornpanish, Kanokwan, Tongprasert, F, Keereevijit, A, Rijken, M, Chu, CS, Nosten, F, Perfetto, J, van Vugt, M, McGready, R, Angkurawaranon, C