1. ASADA, J., AOKAGE, K., KAJI, F., OCHI, G. & ÔTAGAKI, H. (1956) : Treatment of ascariasis with kainic acid, the crystallized effective principle of Digenea extract, “Tôkyô-Iji-Shinshi”, 73, 311-312 (In Japanese)
2. ASAMI, K., KOBAYASHI, A. & SAITÔ, S. (1955) : Observations on the ovicidal effects of irradiation with cobalt-60 on the development of Ascaris lumbricoides ova. 1. Jap. J. Parasit., 4, 331-336 (In Japanese with English summary)
3. FUSHIMI, J. (1961) : A new therapeutic of hookworm disease. Anthelmintic efficacy of bephenium hydroxynaphthoate on human hookworm infection (Paper presented to the symposium in the local Meeting Jap. Soc. Parasit.)
4. Gunma Educational Committee, Gunma Health Committee for School (1954) : Report on the survey on parasites among schoolchildren. 1. “Gakko-Hoken-Kenkyu” 11, 1-5 (In Japanese)
5. HARADA, Y. & MORI, O. (1951) : A simple method for the cultivation of hookworm larvae, “Igaku-to-Seibutsugaku”, 20, 65-67 (In Japanese)