@article{202104.0591,
	doi = {10.20944/preprints202104.0591.v1},
	url = {https://doi.org/10.20944/preprints202104.0591.v1},
	year = 2021,
	month = {April},
	publisher = {Preprints},
	author = {Nan Li and Dan Wu},
	title = {Education level, underemployment, and workers’ health},
	journal = {Preprints}
}