A SIMPLE KEY FOR ILOKAASU KäRKKäINEN UNVEILED

The first time nitrous oxide was utilised as an anaesthetic drug inside the cure of the patient was when dentist Horace Wells, with aid by Gardner Quincy Colton and John Mankey Riggs, shown insensitivity to soreness from a dental extraction on 11 December 1844.[25] In the next months, Wells dealt with the main 12 to 15 sufferers with nitrous oxide