Plasma somatotropin and somatomedin C concentrations following GRF or TRH injections in newborn calves Véronique COXAM, Marie-Jeanne DAVICCO, F. A. OPMEER, J. P. RAVAULT and J.-P. BARLET Reprod. Nutr. Dévelop., 27 2B (1987) 533-545 DOI: 10.1051/rnd:19870412