1. Body temperatures in pigeons and budgerigars during sustained flight;Aulie;Comp. Biochem. Physiol.,1971
2. IFCC method for alanine aminotransferase;Bergmeyer;Clin. Chim. Acta,1980
3. Revised IFCC methods for aspartate aminotransferase;Bergmeyer;Clin. Chim. Acta,1977
4. Creatine, creatinine and CPK in the serum of athletes;Böhmer,1975