'1844:<br />During a tooth extraction, Dr. Horace Wells makes the first use of this gas as an anesthetic'
nitrous oxide (laughing gas)
THE HISTORY OF MEDICINE: 1844:<br />During a tooth extraction, Dr. Horace Wells makes the first use of this gas as an anesthetic
1844:<br />During a tooth extraction, Dr. Horace Wells makes the first use of this gas as an anesthetic
1844:<br />During a tooth extraction, Dr. Horace Wells makes the first use of this gas as an anesthetic
THE HISTORY OF MEDICINE
nitrous oxide laughing gas
THE HISTORY OF MEDICINE