PRASAD G V, Dr Krishna. Chapter – 10 Frailty And Regional Anaesthesia/Peripheral Nerve Blocks . Pink Petals Publications, [S. l.], p. 108–121, 2026. Disponível em: https://pinkpetalspublications.com/index.php/ppp/article/view/142. Acesso em: 19 may. 2026.