Carl Walter's half century of achievement in asepsis.
D000985:Antisepsis / Q000266:history*; D001207:Asepsis / Q000266:history*; D001771:Blood Banks / Q000266:history; D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007263:Infusions, Parenteral / Q000266:history; D013242:Sterilization / Q000266:history; D014481:United States