Verlag des Ōhara Instituts Acta Medica Okayama 9 3 1951 Studies on the Methods for Testing the Effectiveness of Fungicides. II.The Use of Pot Cultured Rice Plants for Testing Spray Materials against Helminthostorium Oryzae Infection.* 377 381 EN Y. Nisikado T. Nakayama Y. Miyawake S. Oshima No potential conflict of interest relevant to this article was reported.

Verlag des Ōhara Instituts Acta Medica Okayama 9 3 1951 On the Theoretical Bases for Predicting the Occurrence of the Rice Stem Borer in the First Generation * 357 376 EN Masatsugu Fukaya No potential conflict of interest relevant to this article was reported.

Verlag des Ōhara Instituts Acta Medica Okayama 9 3 1951 Chemical Investigation on the Water of Rivers in japan. I. On the Quality of Water in Akita Prefecture. 329 356 EN Jun Kobayashi No potential conflict of interest relevant to this article was reported.

Verlag des Ōhara Instituts Acta Medica Okayama 9 3 1951 Studies on the Methods for Testing the Effectiveness of Fungicides. I. The Use of Slide Glasses as a Mediun for Testing Spray Materials.* 317 328 EN Y. Nisikado T. Nakayama Y. Miyawaki No potential conflict of interest relevant to this article was reported.