“ Acetyl-salicylic acid has been found to inhibit … proteolytic enzymes (fibrinolysin and trypsin ) and phospholipase A. It hampers their hydrolytic action on phospholipids of the blood cells membranes, prevents deformation of … and also averts a fall of the ATP-ase activity of the erythrocytes membranes caused by parachlormercury-benzoate.”