@article{202205.0031,
	doi = {10.20944/preprints202205.0031.v1},
	url = {https://doi.org/10.20944/preprints202205.0031.v1},
	year = 2022,
	month = {May},
	publisher = {Preprints},
	author = {Jörg Männer},
	title = {When Does the Human Embryonic Heart Start Beating? A Review of Contemporary and Historical Sources of Knowledge About the Onset of Blood Circulation in Man},
	journal = {Preprints}
}