Circulating progesterone concentrations in nonlactating Holstein cows during reuse of intravaginal progesterone implants sanitized by autoclave or chemical disinfection - Melo, L. F; Monteiro, P. L. J; Oliveira, L. H; Guardieiro, M. M; Drum, J. N; Wiltbank, M. C; Sartori, Roberto (Journal of Dairy Science, 2018)