1. Lewis, P.R. and Knight, D.P., Staining methods for sectional material, in Practical Methods in Electron Microscopy, Glauert, A.M., Ed., North Holland Press, Amsterdam, 1976, Ch. 5.
2. Horobin, R.W., Histochemistry, Gustav Fisher/Butterworth, Stuttgart, New York, London, 1982.
3. Janigan, D.T., The effects of aldehyde fixation on acid phosphatase activity in tissue blocks, J. Histochem. Cytochem., 13, 476, 1965.
4. Arborgh, B., Ericsson, J.L.E. and Helminen, H., Inhibition of renal acid phosphatase and aryl sulfatase activity by glutaraldehyde fixation, J. Histochem. Cytochem., 19, 449, 1971.
5. Hopwood, D., Fixatives and fixation: a review, Histochem. J., 1, 323, 1969.