title: Introduction.
authors.forename: Erwin W
authors.initials: EW
authors.lastname: Gelfand
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007116:Immunization, Passive / Q000266:history*; D007074:Immunoglobulin G / Q000627:therapeutic use*; D016756:Immunoglobulins, Intravenous / Q000266:history* / Q000627:therapeutic use*
chemical_list: D007074:Immunoglobulin G; D016756:Immunoglobulins, Intravenous