id	domain	url
bioethics02-51416	www.britannica.com	https://www.britannica.com/topic/bioethics
bioethics02-51416	doi.org	https://doi.org/10.1186/s13010-018-0064-1
bioethics02-51416	doi.org	https://doi.org/10.1007/978-94-007-2512-6_96