Prostaglandin and antigestagen in pyometra bitches: vascular and stereological effect - Rosa Filho, Roberto Rodrigues da; Brito, Maíra Morales; Faustino, Thaís Gomes; Almeida, Leticia Lima de; Manoel, Verônica Correia; Cogliati, Bruno; Vannucchi, Camila Infantosi (Reproduction and Fertility, 2021)