1. Björklund A, Falck B, Owman C (1972) Fluorescence-microscopic and microspectrofluorometric techniques for the cellular localization and characterization of biogenic amines. In: Kopin J (ed) Methods of investigative and diagnostic endocrinology. North Holland, Amsterdam
2. David H, Uerlinge J, Grupe M (1971) Strukturveränderungen von Leberzellen bei supranormalen Temperaturen. Exp Pathol 5: 2–10
3. Dietzel F (1975) Tumor und Temperatur. Urban and Schwarzenberg, München
4. Falck B, Hillarp N-A, Thieme G, Torp A (1962) Fluorescence of catecholamines and related compounds condensed with formaldehyde. J Histochem Cytochem 10: 348–354
5. Häkanson R, Sundler F (1974) Formaldehyde condensation at reduced temperature. Increased sensitivity and specificity of the fluorescence-microscopic method for demonstrating primary catecholamines. J Histochem 22: 887–894