Study of Efficacy of Tramadol as an Adjuvant to Lignocaine in Intravenous Regional Anesthesia at a Tertiary Care Teaching Centre. International Archives of BioMedical and Clinical Research, [S. l.], v. 2, n. 3, p. 127–130, 2024. DOI: 10.21276/5dkmra02. Disponível em: http://iabcr.org/index.php/iabcr/article/view/739.. Acesso em: 7 dec. 2025.