1 : 4 split RCB0443_culture condition 1 : 2-4 split RCB1020_culture condition Medium List: <a href="http://cell.brc.riken.jp/en/medium-list">http://cell.brc.riken.jp/en/medium-list</a> Medium List: <a href="http://cell.brc.riken.jp/en/medium-list">http://cell.brc.riken.jp/en/medium-list</a>