[Cervicofacial emphysema after following administration of H202].
D003813:Dentistry; D004646:Emphysema / Q000139:chemically induced; D005145:Face; D006861:Hydrogen Peroxide / Q000009:adverse effects; D009333:Neck
D006861:Hydrogen Peroxide
Tracheloprosopikon emphysema katopin chreseos H202.