Gasperin BG, Freling GF, Ferreira R, de Oliveira JFC, Bordignon V, Gonçalves PBD. Intravaginal progestagen for estrus and parturition control in sows. PAB [Internet]. 2011 Oct. 27 [cited 2025 Nov. 25];46(8):961-4. Available from: https://apct.sede.embrapa.br/pab/article/view/10294