This Guideline had been developed by the Quality Assurance Sub-committee, COC in Paediatrics and the expert authors for the Hospital Authority according to the state of medical knowledge at the time of publication. It has been established that doctors can act in accordance with a practice accepted as proper by a responsible body of medical opinion even though others may adopt a different practi...

Kingman Cheung, C.S. Kim, Kang Young Lee, and Jeonghyeon Song Department of Physics, National Tsing Hua University, Hsinchu, Taiwan R.O.C. National Center for Theoretical Sciences, Hsinchu, Taiwan R.O.C. Department of Physics, Yonsei University, Seoul 120-749, Korea Department of Physics, KAIST, Daejeon 305-701, Korea Department of Physics, Konkuk University, Seoul 143-701, Korea (Dated: August...

Daily data from the German and U.S. equity markets before and after the introduction of the Euro are used to study the effect of exchange rate regime choices on equity markets. It is found that, since the introduction of the Euro, the volatility and the persistence of the German stock index have fallen significantly relative to those of the U.S. index. However, the switch in exchange rate arran...

Abstract: This paper adopts a different approach to the study of the persistence of U.S. GNP. First, this paper uses a more powerful version of the ADF test developed by Elliot, Rothenberg and Stock (1992). Second, we also examine the results from a unit root test that has trend stationarity as the null (Kwiatkowski et al., 1992). Third, simulated critical values generated from plausible trend ...

The recent introduction into the Western World of ephedrine, an alkaloid of the Chinese drug Ma Huang which has been included in the Chinese pharmacopoeia for five thousand years, has stimulated study of other obscure Chinese drugs. In order to view the field in its true perspective, a brief survey of the history of Chinese medicine, particularly in relation to the Chinese materia mnedica, is e...

When Darwin proposed his theory of natural selection (NS), he grappled with how sociality and the sharing of resources could evolve under such a system of individualized advancement (Darwin 1859). For decades, the field of animal behavior has conducted myriad investigations into this possible crux of NS, and has found that social associations do, in fact, benefit the individuals engaged. Social...

The fractional integrated process has been widely studied since the seminal work of Granger and Joyeus (1980). However, most of the tests for fractional integration are time-domain tests. This paper contributes to the ∗We would like to thank Jianqing Fan, N.H. Chan and Yin-Wong Cheung for helpful comments. We also thank Carrella Ernesto and Lumpkin Samuel Mcspadden for able research assistance....

Diabetic retinopathy (DR) remains as the leading cause of blindness among working age individuals in developed countries. Current treatments for DR (laser photocoagulation, intravitreal corticosteroids, intravitreal anti-VEGF agents, and vitreoretinal surgery) are applicable only at advanced stages of the disease and are associated with significant adverse effects. Therefore, new pharmacologica...

[1] In the article, “Prognostic role of pretreatment neutrophil to lymphocyte ratio in breast cancer patients: A meta-analysis”, which appeared in Volume 96, Issue 45 of Medicine, two authors’ affiliations were reversed. Dr. Hang-Yin Qu’s affiliation should be The Department of Oncological Surgery, Shaanxi University of Chinese Medicine, Shaanxi, P.R. China. Dr. Xiao-Yi Duan’s affiliation shoul...

Raymond Cheung, Li Xiong, Shek Kwan Chang, Choi Ting Tse, Yin Yu Pang, Vincent Mok, Thomas Leung, Tak Hong Tsoi, Richard Li, May Mok, Chee My Chang, Kwok Kwong Lau, Bun Sheng, Terrence Li, Jonas Yeung, Ping Chung Leung, Ping Chook, Ka Sing Wong Department of Medicine, The University of Hong Kong, Hong Kong, Hong Kong Department of Medicine and Therapeutics, The Chinese University of Hong Kong, ...