森田桐郎編, 『国際労働力移動』, 東京大学出版会、一九八七年二月、三五四頁、六、八〇〇円

It is not known who first ventured to use a combination of tin and gold for filling teeth.About 18 years ago a gentleman called upon Dr. Abbot, Berlin, to have his teeth examined.In one of them Dr. Abbot found a discolored filling, having the appearance of amalgam, and remarked that it was the best ... View More