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Aloysius Siow for helpful discussions and comments. We have also benefited from the comments of seminar participants at the Abstract A decomposition of aggregate labor productivity based on internationally comparable data from FAO and Penn World Tables reveals that high labor shares and low productivity in agriculture are mainly responsible for poor(More)
OBJECT The authors evaluated the effectiveness of Lenke Type 2 criteria in scoliosis correction with the segmental pedicle screw (PS) technique, with emphasis on shoulder balance. METHODS Twenty-five consecutive patients with Lenke Type 2 scoliosis (structural double thoracic curves, sidebending Cobb angle > 25 degrees , or T2-5 kyphosis > 20 degrees )(More)
Any opinions expressed here are those of the author(s) and not those of IZA. Research published in this series may include views on policy, but the institute itself takes no institutional policy positions. The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international research center and a place of communication between science,(More)
1 We are grateful to Mark An who as a co-author of earlier versions provided invaluable inputs for this research. We would also like to thank for constructive suggestions and comments. We are also grateful to Xian Zude, Sheng Laiyun, Wang Pingping and other researchers at the Rural Survey Organization of China's State Statistical Bureau for data support.(More)
STUDY DESIGN A retrospective radiographic study. OBJECTIVE To investigate which preoperative radiographic parameters best correlate with the angulation and translation of the lowest instrumented vertebra (LIV) and global coronal balance after posterior spinal pedicle screw fixation for thoracolumbar/lumbar (TL/L) adolescent idiopathic scoliosis. SUMMARY(More)
Targeted delivery of RNA-based therapeutics for cancer therapy remains a challenge. We have developed a LPH (liposome-polycation-hyaluronic acid) nanoparticle formulation modified with tumor-targeting single-chain antibody fragment (scFv) for systemic delivery of small interfering RNA (siRNA) and microRNA (miRNA) into experimental lung metastasis of murine(More)
During normal cerebellar development, the remarkable expansion of granule cell progenitors (GCPs) generates a population of granule neurons that outnumbers the total neuronal population of the cerebral cortex, and provides a model for identifying signaling pathways that may be defective in medulloblastoma. While many studies focus on identifying pathways(More)
Myostatin has been extensively documented as a negative regulator of muscle growth. Myostatin inhibition is therefore considered an attractive strategy for the treatment of muscle-wasting diseases such as muscular dystrophies. To investigate whether systemic gene delivery of myostatin propeptide (MRPO), a natural inhibitor of myostatin, could enhance(More)