TY - JOUR T1 - Retinoic acid induced chordomas as a model of differential therapy JF - Saudi Medical Journal JO - Saudi Med J SP - 1236 LP - 1237 VL - 30 IS - 9 AU - Omer F. Bayrak AU - Esra Aydemir AU - Fikrettin Sahin Y1 - 2009/09/01 UR - http://smj.org.sa/content/30/9/1236.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -