%0 Journal Article %T Cellular Mechanisms and Modulation of Activin A- and Transforming Growth Factor β-Mediated Differentiation in Cultured Hen Granulosa Cells %A Johnson,, A.L. %A Bridgham,, J.T. %A Woods,, D.C. %J Biology of Reproduction %V 71 %N 6 %@ 0006-3363 %D 2004-12-01 %I Society for the Study of Reproduction %~ DeepDyve