385 Parkinsonism Induced by Chronic Manganese Intoxication – An Experience in Taiwan

402 Isolation and Differentiation of Human Mesenchymal Stem Cells Obtained from Second Trimester Amniotic Fluid; Experiments at Chang Gung Memorial Hospital Hsiu-Huei Peng, MD; Tzu-Hao Wang, MD, PhD; An-Shine Chao, MD; Shuenn-Dyh Chang, MD 408 Associations between Brain-derived Neurotrophic Factor G196A Gene Polymorphism and Clinical Phenotypes in Schizophrenia Patients Tiao-Lai Huang, MD; Chien-Te Lee, MD 414 Conditions Affecting Treatment of Pertrochanteric Osteomyelitis Chin-Hsien Wu, MD; Li-Jen Yuan, MD; Yi-Sheng Chan, MD; Alvin Chao-Yu Chen, MD; Mel S. Lee, MD, PhD; Steven Wen-Neng Ueng, MD 423 Clinical Characteristics of Children with Learning Disorders in Taiwan Ya-Fen Huang, MD; Hsueh-Ling Chang, MD; Yu-Yu Wu, MD; Yu-Shu Huang, MD; Hsin-Yi Liang, MD 430 Comparison of Outcomes of Velopharyngeal Surgery between the Inferiorly and Superiorly Based Pharyngeal Flaps Kachin Wattanawong, MD; Ying-Chien Tan, MD; Lun-Jou Lo, MD; Philip KT Chen, MD; Yu-Ray Chen, MD 437 The Use of Charlson Comorbidity Index for Patients Revisiting the Emergency Department within 72 Hours Han-Yi Wang, MD; Ghee Chew, MD; Chia-Te Kung, MD; Kun-Jung Chung, MD; Wen-Huei Lee, MD 445 The Association between Embrasure Morphology and Central Papilla Recession: A Noninvasive Assessment Method Li-Ching Chang, DDS, MS