論文（英文）
Saitoh A, Saitoh A, Sato I, Shinozaki T, Kamiya H, Nagata S. Effect of stepwise perinatal immunization education: a cluster-randomized controlled trial
Saitoh A, Saitoh A, Sato I, Shinozaki T, Kamiya H, Nagata S. Effect of stepwise perinatal immunization education: a cluster-randomized controlled trial. Vaccine. 2017;35(12):1645-51.