@article{article86b99092, title = {Chemical Composition of Quasi-ultrafine Particles and their Sources in Elderly Residences of Sao Paulo Megacity}, author = {Segalin, Bruna and Fornaro, Adalgiza and Kumar, Prashant and Klemm, Otto and Andrade, Maria de Fátima and Trezza, Beatriz Maria and Busse, Alexandre and Jacob Filho, Wilson and Gonçalves, Fábio Luiz Teixeira}, year = {2020}, doi = {10.4209/aaqr.2019.09.0462}, journal = {Aerosol and Air Quality Research} }