(1868). The Protoxide of Nitrogen as an Anæsthetic.
Dyfyniad Arddull ChicagoThe Protoxide of Nitrogen As an Anæsthetic. 1868.
Dyfyniad MLAThe Protoxide of Nitrogen As an Anæsthetic. 1868.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.