Retrospective study of diseases diagnosed in free range chickens (Gallus gallus domesticus) in the southern region of Rio Grande do Sul, over a period of 20 years (2000 - 2020). RSD [Internet]. 2021 Aug. 15 [cited 2025 Dec. 15];10(10):e467101018978. Available from: https://www.rsdjournal.org/rsd/article/view/18978