Cefaclor: serum sickness.
D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D002433:Cefaclor / Q000009:adverse effects*; D006801:Humans; D012713:Serum Sickness / Q000139:chemically induced*
D000900:Anti-Bacterial Agents; D002433:Cefaclor