Show anesthetics long known lecturing before the association of surgeons of munci on narcotics prof iclean said that the hie places pieces of reddic ing the sensibilities of patients with a lew few to making operations painless was known and practiced in the middle ages bishop theodorus of Che ivira wrote a prescription for a pain destroyer destro yei lit in the t twelfth century which contained opium morphine and A medical work printed in contains the first known knorn treatise on inhalation and men inen now inject under the skin the soothing mixture which in 1460 wag as inhaled |