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Cerrato-Álvarez M, Miró-Rodríguez C, Pinilla-Gil E. EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS. REV INT CONTAM AMBIE [Internet]. 4 de marzo de 2021 [citado 23 de enero de 2022];37:237-4. Disponible en: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.54145