TY - JOUR T1 - Acknowledgment TT - تقدیر و تشکر JF - RUMS_JOURNAL JO - RUMS_JOURNAL VL - 8 IS - 1 UR - http://journal.rums.ac.ir/article-1-550-en.html Y1 - 2009 SP - 1 EP - 2 N2 - M3 ER -