نتایج جستجو برای: 000 persons
تعداد نتایج: 122004 فیلتر نتایج به سال:
IMPORTANCE Diabetic macular edema (DME) is a leading cause of vision loss in persons with diabetes mellitus. Although there are national estimates for the prevalence of diabetic retinopathy and its risk factors among persons with diabetes, to our knowledge, no comparable estimates are available for DME specifically. OBJECTIVES To estimate the prevalence of DME in the US population and to iden...
We consider the possibility that the dark matter in the halos of galaxies may be in the form of clusters of Machos within which are embedded cold, dense gas clouds. Mi-crolensing experiments have found evidence that the Galactic halo contains up to half of its mass in the form of low-mass Machos. A number of observational and dynamical arguments point to the existence of hitherto unobserved col...
Just a small contingent of Pharmamar’s staff, which is, with a total of 262 employees, one of the main biotechnological companies in Spain. Ph ot os (5 ): P ha rm am ar Like Captain Nemo, the mysterious character created by Jules Verne, Jose María Fernández Sousa-Faro decided to seek his fortune in the depths of the oceans. His reasons were not, however, as obscure as Nemo’s. He had inherited t...
36 Aim. To investigate the prevalence of immunization against hepatitis A virus (HAV) in persons with hepatitis C virus (HCV) infection, in order to determine who should be vaccinated for the former. Design. Descriptive, cross-sectional study. Setting. Urban health center serving 12 000 inhabitants. Participants. Patients older than 14 years positive for HCV infection. Main measures. Variables:...
BACKGROUND Cardiovascular disease has become the leading cause of death in China. We examined the levels of serum total and lipoprotein cholesterol and status of awareness, treatment, and control of hypercholesterolemia in China. METHODS AND RESULTS A cross-sectional survey in a nationally representative sample of 15,540 Chinese adults 35 to 74 years of age was conducted during 2000 to 2001. ...
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