学習支援システムのユーザのためのコンテンツ蓄積型支援環境の開発( e-Learningコンテンツの編集と再利用/一般)

We studied the epidemiological features of tibial shaft fractures during two 5-year periods, 1971-75 and 1986-90, in the county of Uppsala, Sweden. The incidence was higher in men than in women during both periods. In men aged 10-19 years, the fracture incidence was lower during the second period, w... View More