Cassius Felix, in his ''De medicina'', chapter XLII ''Ad stomachi passiones'' {i.e. "For diseases of the stomach"}, § 12, p. 113, gives instructions for a preparation, of which one ingredient is ''alumen liparum id est liquidum'' and he uses the same formulation in chapter XLVIII ''Ad dysenteriam'' {"For dysentery"} when listing the ingredients for a preparation against that affliction, {p. 140}.
 
Cassius Felix, in his ''De medicina'', chapter XLII ''Ad stomachi passiones'' {i.e. "For diseases of the stomach"}, § 12, p. 113, gives instructions for a preparation, of which one ingredient is ''alumen liparum id est liquidum'' and he uses the same formulation in chapter XLVIII ''Ad dysenteriam'' {"For dysentery"} when listing the ingredients for a preparation against that affliction, {p. 140}.