Biological evidence that SOCS-2 can act either as an enhancer or suppressor of growth hormone signaling

CJ Greenhalgh, D Metcalf, AL Thaus, JE Corbin, R Uren, PO Morgan, LJ Fabri, JG Zhang, HM Martin, TA Willson, N Billestrup, NA Nicola, M Baca, WS Alexander, DJ Hilton