title: Immunoprophylaxis of perinatal infection with hepatitis B virus on the national scale.
authors.affiliation: Miyakawa Memorial Research Foundation, Minami-Aoyama 2-19-8, Minato-Ku, Tokyo 107-0062, Japan.
authors.forename: Yuzo
authors.initials: Y
authors.lastname: Miyakawa
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Yoshizawa