THONGPHUT, A. Preoperative Antihypertensive Use and Risk of Post- Spinal Hypotension in Elderly Patients Undergoing Hip Fracture Surgery: A Retrospective Secondary Analysis. Siriraj Medical Journal, [S. l.], v. 78, n. 4, p. 276–286, 2026. DOI: 10.33192/smj.v78i4.279908. Disponível em: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/279908. Acesso em: 1 sep. 2026.