1. ISHIZAKI, T. (1950) : A new egg-counting method of Ascaris in direct smear specimens. Sogo-Igaku, 7, 979-982. (Text in Japanese)
2. KATO, K. AND MIURA, M. (1954) : Comparative examinations. Japan. J. Parasitol., 3, 35. (Text in Japanese)
3. KATO, K. (1960) : A correct application of the thick-smear technic with cellophane-paper cover. A pamphlet, 1-9. (Text in Japanese)
4. KITAGAWA, T. (1951) : Tables of Poisson distribution, 1-156, Tokyo, Baifukan. (Text in Japanese) KOMIYA, Y. AND SATO, S. (1954a) : The recovering rate of Ascaris and hookworm ova by direct smear method of stool examination and the rate of false negative case for ova on the assay of the effectiveness of anthelmintics. 1. On the recovering rate of Ascaris and hookworm ovaby direct smear method of stool examination. Japan. J. Parasitol., 3, 216-219. (Text in Japanese)
5. KOMIYA, Y. AND SATO, S. (1954b) : The recovering rate of Ascaris and hookworm ova by direct smear method of stool examination and the rate of false negative case for ova on the assay of the effectiveness of anthelmintics. 2. On the rate of false negative case for ova on the assay of the effectiveness of anthelmintics. Japan. J. Parasitol., 3, 260-264. (Text in Japanese)