Souchelnytskyi S, Rönnstrand L, Heldin CH, ten Dijke P (2001). "Phosphorylation of Smad signaling proteins by receptor serine/threonine kinases". Protein Kinase Protocols. Methods in Molecular Biology. Vol. 124. pp. 107–20. doi:10.1385/1-59259-059-4:107. ISBN1-59259-059-4. PMID11100470.
Laping NJ, Grygielko E, Mathur A, Butter S, Bomberger J, Tweed C, et al. (July 2002). "Inhibition of transforming growth factor (TGF)-beta1-induced extracellular matrix with a novel inhibitor of the TGF-beta type I receptor kinase activity: SB-431542". Molecular Pharmacology. 62 (1): 58–64. doi:10.1124/mol.62.1.58. PMID12065755. S2CID792324.
Souchelnytskyi S, Rönnstrand L, Heldin CH, ten Dijke P (2001). "Phosphorylation of Smad signaling proteins by receptor serine/threonine kinases". Protein Kinase Protocols. Methods in Molecular Biology. Vol. 124. pp. 107–20. doi:10.1385/1-59259-059-4:107. ISBN1-59259-059-4. PMID11100470.
Laping NJ, Grygielko E, Mathur A, Butter S, Bomberger J, Tweed C, et al. (July 2002). "Inhibition of transforming growth factor (TGF)-beta1-induced extracellular matrix with a novel inhibitor of the TGF-beta type I receptor kinase activity: SB-431542". Molecular Pharmacology. 62 (1): 58–64. doi:10.1124/mol.62.1.58. PMID12065755. S2CID792324.
Laping NJ, Grygielko E, Mathur A, Butter S, Bomberger J, Tweed C, et al. (July 2002). "Inhibition of transforming growth factor (TGF)-beta1-induced extracellular matrix with a novel inhibitor of the TGF-beta type I receptor kinase activity: SB-431542". Molecular Pharmacology. 62 (1): 58–64. doi:10.1124/mol.62.1.58. PMID12065755. S2CID792324.