title: Hypersensitivity to beta-lactam antibiotics in children given penicillin G or placebo at birth.
mesh_terms: D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D002675:Child, Preschool; D004342:Drug Hypersensitivity / Q000209:etiology*; D006801:Humans; D007073:Immunoglobulin E / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007231:Infant, Newborn; D010400:Penicillin G / Q000276:immunology / Q000627:therapeutic use*
chemical_list: D000900:Anti-Bacterial Agents; D007074:Immunoglobulin G; D007073:Immunoglobulin E; D010400:Penicillin G