ELORANTA, Eija; TIMISJÄRVI, Jouni; LEPPÄLUOTO, Juhani; NIEMINEN, Mauri. Progesterone secretion in reindeer. Rangifer, Tromsø, Norway, v. 10, n. 4, p. 49, 1990. DOI: 10.7557/2.10.4.914. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/914. Acesso em: 16 mar. 2026.