1. Atanasov, N. 1968. Po vaprosa za metabolitnoto znachenie na takanite laktatdehidrogenazni izozimi u podopitni jivotni. Disertatzia. Plovdiv.
2. Histochemical demonstration of enzymes separated by zone electrophoresis in starch gels;Hunter;Science,1957
3. Lactate dehydrogenase: structure and function;Kaplan;Brookhaven Symp. Biol.,1964
4. Korovkin, F. 1965. Fermenti v diagnostike infarkta miokarda. Moskva.
5. Serum glutamate oxalacetate transaminase activity in human transmural acute myocardial infarction;LaDue;Science,1954