SERUM ENZYMES AND METABOLITES RELATED WITH HIGH PRODUCTION AND LONGEVITY F. GRAF, K. FRAHM, L. FURTMAYR, H. KRÄUSSLICH and K. OSTERKORNGenet. Sel. Evol., 8 2 (1976) 289DOI: https://doi.org/10.1051/gse:19760214
