I made a word cloud via Word Cloud Generator. To make this, I use a study "Inappropriate Use of Ambulance Services by Elderly Patients with Less Urgent Medical Needs.( https://www.jstage.jst.go.jp/article/tjem/235/2/235_89/_html/-char/en )"
According to this word cloud, "patients," "emergency," "ambulance," and "elderly" are pointed out vividly. I think this result is really match with the topic of this blog.
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