author = { Freick, M AND Passarge, O AND Weber, J },

title = { Lack of effects of an equine chorionic gonadotropin (eCG) administration between days 9 and 15 postpartum on reproductive performance in a Holstein dairy herd },

publisher = {Wiley},

isbn = {0936-6768},

isbn = {1439-0531},

keywords = { Endocrinology , Animal Science and Zoology , Biotechnology },

year = {2017},

url = { http://slubdd.de/katalog?TN_libero_mab2 }