Yanagita M (June 2005). "BMP antagonists: their roles in development and involvement in pathophysiology". Cytokine & Growth Factor Reviews. 16 (3): 309–17. doi:10.1016/j.cytogfr.2005.02.007. PMID15951218.
Yanagita M, Oka M, Watabe T, Iguchi H, Niida A, Takahashi S, Akiyama T, Miyazono K, Yanagisawa M, Sakurai T (April 2004). "USAG-1: a bone morphogenetic protein antagonist abundantly expressed in the kidney". Biochemical and Biophysical Research Communications. 316 (2): 490–500. doi:10.1016/j.bbrc.2004.02.075. PMID15020244.