1. Pharmacia AB, Carrier-bound histamine, its manufacture and its use;Åkerblom;International Patent Publication WO 86/04331,1986
2. The enzymatic isotopic assay of histamine;Beaven,1978
3. Pharmacia AB, An antibody preparation and processes for its manufacture and use;Berglund;International Patent Publication WO 86/04420,1986
4. Buckler, R.T., Dailey, F., Ficalora, I., Gavin, I. and Plunkett, G. Miles AB. European Patent Publication 0 208 953 A1.
5. Protein thiolation and reversible protein - Protein conjugation;Carlsson;Biochem. J.,1978