Table 4. Serial Mean (± SEM) Blood TNF Concentrations (log μg/ml) 2–96 h after Escherichia coli or Staphylococcus aureus Challenge in Animals Treated with Placebo (Control) or Intraperitoneal or Intratracheal Antibody to TNF Serum
IP = intraperitoneal; IT = intratracheal; TNF = tumor necrosis factor.