Gas sterilization.
D000985:Antisepsis; D001207:Asepsis; D002245:Carbon Dioxide; D005027:Ethylene Oxide; D013242:Sterilization; D013245:Sterilization, Reproductive
D002245:Carbon Dioxide; D005027:Ethylene Oxide
ANTISEPSIS AND ASEPSIS; CARBON DIOXIDE; ETHYLENE OXIDE