@article{033362184,
title = "Serum progesterone, oestradiol, luteinizing hormone and prolactin profiles in the female black bear (Ursus americanus)",
author = "Tsubota, T. and Howell-Skalla, L. and Boone, W.R. and Garshelis, D.L. and Bahr, J.M.",
year = "1998",
journal = "Animal Reproduction Science",
volume = "53",
number = "1-4",
pages = "107-118",
issn = "0378-4320",
url = "https://eurekamag.com/research/033/362/033362184.php"
}