TY - RPRT TI - Decrease of Smad4 gene expression in patients with essential thrombocythaemia may cause an escape from suppression of megakaryopoiesis by transforming growth factor-beta1. AU - Hiroyuki Kuroda AU - Takuya Matsunaga AU - Takeshi Terui AU - Ikuta Tanaka AU - Rishu Takimoto AU - Koshi Fujikawa AU - Tetsuji Takayama AU - Junji Kato AU - Yasuo Hirayama AU - Sumio Sakamaki AU - Kyuhei Kohda AU - Yoshiro Niitsu PY - 2004 DO - 10.1046/j.1365-2141.2003.04755.x UR - https://pubmed.ncbi.nlm.nih.gov/14687032/ ID - 14687032 ER -