@book{4073,
	author = {Peng, Sicong },
	title = {A study of breastfeeding practices, SARS-CoV-2 and its antibodies in the breast milk of mothers confirmed with COVID-19 /},
	url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7654387/pdf/main.pdf}
}