1. Comparative biochemistry of digestive enzymes;Barnard,1973
2. A structural analysis of intestinal absorption;Berridge,1970
3. A new embedding medium (Polylite 8001) for biological material;Coiro;Cienc. Cult.,1972
4. Digestão terminal em Rhynchosciara americana;Ferreira,1979
5. Intracellular distribution of hydrolases in midgut caeca cells from an insect with emphasis on plasma membrane-bound enzymes;Ferreira;Comp. Biochem. Physiol.,1980