https://doi.org/10.1590/S0034-70942006000300010
Braz J Anesthesiol, vol.56, 2006 The first to use surgical anesthesia was not a dentist, but the physician Crawford Williamson Long Miscellaneous
Braz J Anesthesiol, vol.56, 2006 The first to use surgical anesthesia was not a dentist, but the physician Crawford Williamson Long Miscellaneous

