'Don't giggle, this gas, the first chemical anesthetic, began life as a party fad'
Laughing gas/nitrous oxide
MEDICAL HISTORY: Dont giggle, this gas, the first chemical anesthetic, began life as a party fad
Don't giggle, this gas, the first chemical anesthetic, began life as a party fad
Don't giggle, this gas, the first chemical anesthetic, began life as a party fad
MEDICAL HISTORY
Laughing gas/nitrous oxide
MEDICAL HISTORY