Study the effect of Sex hormones in patients with stomach ulcers in Anbar Governorate. Journal of Pharmaceutical Negative Results, [S. l.], p. 1834–1842, 2022. DOI: 10.47750/pnr.2022.13.S01.218. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/1542.. Acesso em: 4 jun. 2026.