Ultrastructural techniques, T. M. Mukherjee; diagnostic applications of scanning electron microscopy, H. M. H. Kamel et al; pathology of the cell - ultrastructural features, L. Marzella and B. F. Trump; stromal aberrations, J. M. Archer-Harvey and I. Anton-Lamprecht; storage diseases, P. Dustin; diagnosis of genetic disorders by electron microscopy, G.R. Sutherland and D.W. Henderson; the search for viruses by negative contrast, G.R. Madeley; infectious agents, E.J. Wills; diagnostic ultrastructure of human parasites, A. Warton and J. M. Papadimitrious; tumour-like disorders, D.W. Henderson et al; diagnostic electron microscopy of endomyocardial biopsies, A. Albala and J.J. Fenoglio; the respiratory system, B. Corrin; the digestive system including biliary tract and pancreas, H.M.H. Kamel et al; the liver, K. Tanikawa.