HAIDER ALI KHAN, ARSALAN JAMIL, ZAHID AZIZ SOOMRO, TAHIR ALI, M. ANEEQUE ALAM KHAN, ASIM JAVED. Effect of Valsalva Maneuver in Attenuating Spinal Needle Puncture Pain. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 16, n. 05, p. 310, 2022. DOI: 10.53350/pjmhs22165310. Disponível em: https://pjmhsonline.com/index.php/pjmhs/article/view/1170. Acesso em: 20 oct. 2024.