Kouji Ishikawa

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Our cover photographs show the GSM-type MT-30 digital mobile telephone. This lightweight (170g) and compact (135 x 48 x 26mm) unit provides up to two hours of continuous conversation and 120 hours in standby mode using standard batteries, performance that puts it in the top class worldwide.
This study is a psychiatric survey of the student suicide at the Tokyo University. Counting the cases reported as such to the university administration, a total of 65 students committed suicide during the 20 years from 1962 till 1981. This amounts to a yearly average of 25.6 cases per 100,000 students. A comparison of this quota with that of several(More)
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