Liquid nitrogen cryotherapy of common warts: cryo-spray vs. cotton wool bud.
Hutchinson
P E
PE
Bleiker
T O
TO
D000287:Administration, Topical; D017679:Cryotherapy / Q000379:methods*; D003368:Gossypium; D006801:Humans; D009584:Nitrogen / Q000008:administration & dosage*; D014860:Warts / Q000628:therapy*
D009584:Nitrogen