Growth hormone and milk protein gene polymorphism in relation to the levels of some hormones, enzymes and metabolites in growing dairy cattle J. Oprzadek, L. Zwierzchowski, M. Lukaszewicz, E. Dymnick, Z. Reklewski and R. GrochowskaReprod. Nutr. Dev., 39 1 (1999) 96-97DOI: https://doi.org/10.1051/rnd:19990132