PRIMARY ENTEROLITHIASIS AS A RARE CAUSE OF ACUTE SMALL BOWEL OBSTRUCTION IN AN ELDERLY PATIENT: A CASE REPORT. Frontier in Medical and Health Research, [S. l.], v. 3, n. 10, p. 32–35, 2025. Disponível em: https://fmhr.net/index.php/fmhr/article/view/1690.. Acesso em: 10 nov. 2026.