GH, IGF-I, IGFBP-3 and IGFBP-2 in cerebrospinal fluid of infants, during puberty and in adults - Heinze, E.; Böker, M.; Blum, W.; Behnisch, W.; Schulz, A.; Urban, J.; Mauch, E. (Experimental and Clinical Endocrinology & Diabetes, 1998)