PORZ, R.; BÜRKLI, P.; LEACH, S. A challenged choice: donating spare embryos to stem cell research in Switzerland. Swiss Medical Weekly, [S. l.], v. 138, n. 3738, p. 551–556, 2008. DOI: 10.4414/smw.2008.12420. Disponível em: https://smw.ch/index.php/smw/article/view/891. Acesso em: 2 dec. 2024.