1. Kiernan J (1999) Histological and histochemical methods, 3rd edn. Butterworth-Heinemann, Oxford
2. Gray P (1954) The microscopist’s formulary and guide. Blakiston, New York, NY
3. Lillie RD, Fullmer HM (1976) Histopathological technique and practical histochemistry. McGraw-Hill, New York, NY
4. Thompson SW (1966) Selected histochemical and histopathological methods. Charles C. Thomas, Springfield, IL
5. Fox CH, Johnson FB, Whiting J et al (1985) Formaldehyde fixation. J Histochem Cytochem 33(8):845–853