Effect of growth hormone and insulin-like growth factor I (IGF-I) on the expression of IGF-I messenger ribonucleic acid and peptide in rat tibial growth plate and articular chondrocytes in vivo - Reinecke, M; Schmid, A C; Heyberger-Meyer, B; Hunziker, E B; Zapf, J (Endocrinology, 2000)