再生不良性貧血（汎骨髓病症）の本態に関する研究 第二編 尿，髄液，諸臓器中の催貧血性物質

The author studied experimentally with the urine, cerebrospinal fluid, and extracts of bone marrow, spleen and the liver and obtained the results as follows;　1) In the urine, there is certain anemia-producing substance which is soluble in alcohol as well as ether, and exists in acid fraction.　2) In the cerebrospinal fluid, some anemia-producing substance could be discovered.　3) The bone marrow, the spleen and the liver have certain anemia-producing substance in their extracts.