@article{L. Willis2015, author = "Erin L. Willis and David C. Kersey and Barbara S. Durrant and Andrew J. Kouba", title = "{Representative patterns of active urinary ceruloplasmin and urinary progestagens in bred/no birth cycles for female giant pandas: suspected lost pregnancies based on ceruloplasmin.}", year = "2015", month = "12", url = "https://plos.figshare.com/articles/figure/_Representative_patterns_of_active_urinary_ceruloplasmin_and_urinary_progestagens_in_bred_no_birth_cycles_for_female_giant_pandas_suspected_lost_pregnancies_based_on_ceruloplasmin_/427586", doi = "10.1371/journal.pone.0021159.g005" }