Oil sterilisation of hypodermic needles.
D000985:Antisepsis; D001207:Asepsis; D006801:Humans; D009339:Needles; D013242:Sterilization; D013245:Sterilization, Reproductive; D013594:Syringes; D013595:Syringomyelia
ANTISEPSIS AND ASEPSIS; SYRINGES