Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ohto Takehisa and Takino Kenichi and Ohnishi Toshio,Significance of Holzknecht's Signs in Bronchial Foreign Bodies,Nihon Kikan Shokudoka Gakkai Kaiho,00290645,The Japan Broncho-esophagological Society,1978,29,6,364-371,https://cir.nii.ac.jp/crid/1390282679990128000,https://doi.org/10.2468/jbes.29.364