MUC5AC and peritonitis: In 1933, Miller induced peritonitis and sepsis in adult mice by inoculating bacteria intraperitoneally in the presence of hog mucin, with death occurring between 6 and 24 h [171], which was replicated in 1976 by Calver et al. using solutions of ferrous sulphate, iron sorbitol citrate or iron dextran [172].