نتایج جستجو برای: 034

تعداد نتایج: 1383  

2015

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2015
Alejandro Pelaez Talal Ahmed Mohsen Ghassemi

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2013

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2014
Anand Nandkumar Kannan Srikanth

There is an increasing trend for Multi-National Enterprises (MNEs) to off-shore R&D activities to developing countries where Intellectual Property regimes (IP) are weak. Prior work in international trade theory suggests that there is limited technology transfer by MNE to destinations with weak IP regimes. However, there is considerable evidence that MNE offshore significant levels of R&D, over ...

2015

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2012

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Journal: :The Journal of infectious diseases 2015
Nelson Lee Martin C W Chan Grace C Y Lui Ran Li Rity Y K Wong Irene M H Yung Catherine S K Cheung Eugenia C Y Chan David S C Hui Paul K S Chan

A prospective study among adults hospitalized for polymerase chain reaction-confirmed respiratory syncytial virus infections (n = 123) showed frequent occurrence of lower respiratory-tract complications causing respiratory insufficiency (52.8%), requirement for assisted ventilation (16.3%), and intensive care unit admission/death (12.2%). High viral RNA concentration was detected at time of hos...

Journal: :Annals of Epidemiology 2021

Prognostic studies derived from samples of patients managed in tertiary hospitals are subject to referral bias. We aimed characterize this bias using the example infective endocarditis. analyzed data a French population–based cohort, which included 497 with Patients were admitted directly hospital (Group T), non-tertiary and referred NTT) or not NT). compared patients’ characteristics, survival...

Journal: :American journal of hypertension 2003
José Luis Pérez-Castrillón Isabel Justo Jesús Silva Alberto Sanz Juan Carlos Martín-Escudero Rosa Igea Pilar Escudero Carol Pueyo Cristina Diaz Gonzalo Hernández Antonio Dueñas

BACKGROUND The purpose of this study was to assess the relationship between bone mineral density and insertion/deletion (I/D) angiotensin converting enzyme polymorphism (ACE) in hypertensive postmenopausal women. METHODS Blood and urine samples from the study subjects were analyzed for calcium metabolism related parameters. Densitometry studies were conducted in the lumbar spine (L2 to L4). T...

1998
R. Rao

We report the discovery of low frequency quasi-periodic oscillations centered at 0.11 Hz in the newly discovered 221 s X-ray pulsar XTE J1858+034. Among about 30 known transient X-ray pulsars this is the sixth source in which QPOs have been observed. If the QPOs are produced because of inhomogeneities in the accretion disk at the magnetospheric boundary, the low frequency of the QPOs indicate a...

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