1970 年 13 巻 1 号 p. 53-54,4
The author previously reported on a use of polaroid camera in oto-laryngological field. (Oto-laryngology-Tokyo 9.2, 61, 1966).
This is the second report on this subject inwhich the author reported on handy use of color films for medical photography by means of a special filter.
The color pictures remained fresh and clear even in three years after they were developed.