Red propolis effect analysis of dairy calves health based on Weibull regression model with long-term survivors - Vigas, Valdemiro Piedade; Fatoretto, Maíra Blumer; Slanzon, Giovana Simão; Ortega, Edwin Moises Marcos; Demétrio, Clarice Garcia Borges; Bittar, Carla Maris Machado (Research in Veterinary Science, 2021)