Patterns of Sonographic Findings in Patients with Lower Abdominal Pains in Nnewi Metropolis, Anambra State, Nigeria. Tropical Journal of Medical Research, Nigeria, v. 21, n. 1, p. 147–153, 2022. DOI: 10.5281/zenodo.7108994. Disponível em: https://tjmr.org.ng/index.php/tjmr/article/view/39. Acesso em: 23 oct. 2026.