Hosoda, R.; Hattori, M.; Shimada, Y. (1993). „Favorable effects of epidural analgesia on hemodynamics, oxygenation and metabolic variables in the immediate post-anesthetic period”. Acta Anaesthesiol Scand. 37 (5): 469—474. PMID8356859. S2CID3211865. doi:10.1111/j.1399-6576.1993.tb03748.x..
(језик: енглески)UTOPIAN SURGERY Early arguments against anaesthesia in surgery, dentistry and childbirth „HISTORICAL BACKGROUND”. Приступљено 12. 11. 2010.
Hosoda, R.; Hattori, M.; Shimada, Y. (1993). „Favorable effects of epidural analgesia on hemodynamics, oxygenation and metabolic variables in the immediate post-anesthetic period”. Acta Anaesthesiol Scand. 37 (5): 469—474. PMID8356859. S2CID3211865. doi:10.1111/j.1399-6576.1993.tb03748.x..
Hosoda, R.; Hattori, M.; Shimada, Y. (1993). „Favorable effects of epidural analgesia on hemodynamics, oxygenation and metabolic variables in the immediate post-anesthetic period”. Acta Anaesthesiol Scand. 37 (5): 469—474. PMID8356859. S2CID3211865. doi:10.1111/j.1399-6576.1993.tb03748.x..