GAN, Wen-tao; ZHOU, Meng-Yun; CHENG, Yong-ran; YE, Lan; CHEN, Juan; WANG, Ming-Wei; FENG, Zhan-hui. Air quality and the COVID-19 outbreak in China. Allergologia et Immunopathologia, Singapore, v. 49, n. 1, p. 165–167, 2021. DOI: 10.15586/aei.v49i1.66. Disponível em: https://all-imm.com/index.php/aei/article/view/66.. Acesso em: 1 may. 2026.