Evaluation of Light Specific Gravity Ropivacaine Combined with Sufentanil in Hip Arthroplasty at An Advanced Ager. Journal of General Practice Research and Translation‍ ‍ ‍, [S. l.], v. 1, n. 1, 2026. Disponível em: https://www.hwipgl.com/jgprt/article/view/24. Acesso em: 29 apr. 2026.