1. Estimation of, and molecular weights of biological compounds by gel nitration;Andrews;Meth. biochem. Analysis,1970
2. Tissue sulphydryl groups;Ellman;Archs Biochem. Biophys.,1959
3. Alkaloids of some African. Asian, Polynesian and Australian species of Erythrina;Games;Lloydia,1974
4. Alkaloids of American species of Erythrina;Hargreaves;Uoydia,1974
5. Determination of cystine as cysteic acid;Hirs;Meth. Enzym.,1967