cryosurgery

apply applying cancer cell cells chemical cold container control cryo cryogenic cryogeny cryosurgery cryosurgical disinfect disinfected disinfection doctor fingers flammable freeze freezer hand hands health healthy hospital hygiene hygienic ice icy ill illness infect infected infection intervention isobutane isolate isolated job jobs laboratory liquid male man medic medical medicinal medicine nitrogen nurse nursing operation people portable pressurized propane science scientific scientist shirt skin sponge spray sterile surgeon surgery system test testing tissue treat treating treatment white work working young