@article{202011.0177,
	doi = {10.20944/preprints202011.0177.v1},
	url = {https://doi.org/10.20944/preprints202011.0177.v1},
	year = 2020,
	month = {November},
	publisher = {Preprints},
	author = {Xia Ma and zhenhuan guo and zhiqiang zhang and xianghui li and yizhou lv and zhiqiang shen and Li Zhao and Yonglu Liu},
	title = {Phytochemical Constituents Propolis Flavonoid, Immunological Enhancement, Anti-porcine Parvovirus Activities of isolated from the Propolis},
	journal = {Preprints}
}