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Japan Remote Island Center, Japan (CD-ROM version; in Japanese)."},{"key":"5","unstructured":"Kato, I. (2013)  Situation and problems of prenatal care and delivery in the whole country remote island.  <i>The Journal of Conference for Emergency Medicine in Rural Areas and Isolated Islands<\/i>, 12, 30-32 (in Japanese)."},{"key":"6","unstructured":"Matsumura, K. (2013)  The analysis of the obstetrics supply system with the secondary medical region database and the problems.  <i>Japanese Association for Health Care Administrators<\/i>, 7, 107-119."},{"key":"7","unstructured":"Matsumoto, K., Kitagawa, T., Ito, S., Seto, K. &amp; Hasegawa, T. 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