"Strange Harm From Electric Fans （页面存档备份，存于互联网档案馆）", Jungoe Ilbo (Domestic and International Daily), July 31, 1927,
"The rotating fan blades create a vacuum directly in front, and the intensity of the resulting air flow always results in an insufficient supply of oxygen to the lungs." （韓文）
"Strange Harm From Electric Fans （页面存档备份，存于互联网档案馆）", Jungoe Ilbo (Domestic and International Daily), July 31, 1927,
"The rotating fan blades create a vacuum directly in front, and the intensity of the resulting air flow always results in an insufficient supply of oxygen to the lungs." （韓文）
