@article{202007.0087,
	doi = {10.20944/preprints202007.0087.v1},
	url = {https://doi.org/10.20944/preprints202007.0087.v1},
	year = 2020,
	month = {July},
	publisher = {Preprints},
	author = {Alberto Abad and Thaís Marques Abad},
	title = {Covid-19: Back to Classes in Brazil From a Bioecological Perspective},
	journal = {Preprints}
}