English: Studies on tsutsugamushi by Tullgren's funnel method : 3. Occurrence of vector trombiculid, Leptotrombidium pallidum, in the neighbourhood of patients' houses
Japanese: ツルグレン法による恙虫類の生息調査 : 3. 恙虫病の患家周辺部におけるフトゲツツガムシの発生