Changes in Oleic Acid Content of Transgenic Soybeans by Antisense RNA Mediated Posttranscriptional Gene Silencing oleh Ling Zhang, Xiang-dong Yang, Yuan-yu Zhang, Jing Yang, Guang-xun Qi, Dong-quan Guo, Guo-jie Xing, Yao Yao, Wen-jing Xu, Hai-yun Li, Qi-yun Li, Ying-shan Dong