Correlation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mi>α</mml:mi></mml:math>/<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg"><mml:mi>γ</mml:mi></mml:math>-Fe2O3 nanoparticles with the toxicity of particulate matter originating from subway tunnels in Seoul stations, KoreaLe Thi Nhu Ngoc, Young‐Chul Lee, Hang‐Suk Chun et al.|Journal of Hazardous Materials|2019Cited by 42