[The present political situation and the internal situation of the political parties].
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Japan↗
Biomedical subjects
O Okada
Publications and source records attributed to O Okada.
[Children--and their nursing care].
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Child Care↗
[Trends in politics and society].
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Japan↗
[Political and social movements: amendment of the Health Insurance Act. Some questions still unanswered].
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Insurance, Health↗
[Clinical use of vitamin K-1 in hearing disorders caused by kanamycin].
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Adolescent↗