Data concerning the occurrence of malignant and benign thyroid neoplasms in patients treated for hyperthyroidism have been collected at 26 medical centers Cooperative Thyrotoxicosis Therapy Follow-up Study. There was 98.8% follow-up 36,050 between 1946 1968. The analysis is based on 34,684 by 131I, thyroidectomy, antithyroid drugs, X-irradiation or various combinations these therapeutic measures. Cases were classified as: Graves' disease without palpable nodules, with toxic adenoma(s)...

To assess the relative importance of school and nonschool risk factors, this study estimated whether overweight obesity prevalence grows faster during year or summer vacation.In Early Childhood Longitudinal Study, Kindergarten Class 2010-11, a nationally representative complex random sample 18,170 U.S. children was followed from fall kindergarten in 2010 through spring second grade 2013. Children's weight heights were measured schools each spring. A multilevel growth model used to estimate...

When do children become unequal in reading and math skills? Some research claims that inequality grows mainly before school begins. schools cause to grow. And some research—including the 2004 study ‘‘Are Schools Great Equalizer?’’—claims during summer vacations. Unfortunately, test scores used Equalizer suffered from a measurement artifact exaggerated estimates of growth. In addition, is dated its participants are no longer school-aged. this article, we replicate using better both original...

Barium ion clouds striation formation above E layer ascribed to LF gradient drift instability

Abstract In American high schools female students put greater effort into school and outperform boys on indicators of academic success. Using data from the High School Longitudinal Study 2009, we found students’ achievement was partly explained by different social incentives to trying hard in experienced male students. Males were 1.75 times as likely report they would be unpopular for 1.50 made fun school. Social costs directly associated with less rigorous mathematics course-taking...

THE efficacy of chloramphenicol and other rickettsiostatic agents in the treatment Rocky Mountain spotted fever is well documented. However, after institution specific therapy, febrile period most reported series has ranged from 2.5 to 4 days.1 2 3 The management severely ill patients who exhibit toxemia, dehydration, hypochloremia, hypoproteinemia peripheral vascular collapse, characteristic late cases fever, remains a difficult problem. effectiveness adrenal cortical hormones ameliorating...

The gradient drift instability for F region plasma clouds is investigated retaining ion inertia effects. With the assumption that gyrofrequency Ω greater than inertial time changes (∂/∂ t + V i ·▽) and ion‐neutral collision frequency ν in , a quadratic dispersion equation results. In limit ≫ 4 cE 0 / BL ( E B are ambient electric magnetic fields, L cloud density scale length), growth rate γ reduces to usual result . opposite ın ≪ = ) 1/2 This can explain why high‐altitude (∼450‐km) barium...

Abstract A sizable literature found an inverse association between number of siblings and developmental outcomes. Little is known about this relationship during the earliest years children's lives, a period when parental attention resources matter greatly for cognitive development. Using Early Childhood Longitudinal Study–Birth Cohort, nationally representative sample American children born in 2001, study investigates inter‐relationships siblings, home resources, development before formal...

We have performed experiments with planar targets on the OMEGA laser facility at University of Rochester. These investigated scaling x-ray yield and conversion efficiency energy focusing properties for several different target materials. The were also designed to investigate feasibility high-energy backlighters under typical irradiance geometries. Fe emission near 6.7 keV was by varying from 1014 1016 W/cm2. In addition, emitted studied fixed W/cm2 Fe, Zn, Ge. time-integrated spectra as well...

Splenectomy markedly impaired the production of circulating anti-endotoxin antibodies during initial 10 days after .v. administration a Boivin preparation Escherichia coli endotoxin (ET) in both rabbit and man. Increase with secondary (flocculating bactericidal) activities were virtually abolished, whereas increases primary (binding) activity significantly reduced. On basis these findings, splenectomized man employed to test hypothesis that early phase (less than 72 h) pyrogenic tolerance is...

Children's social and behavioral skills vary considerably by socioeconomic status (SES), race and/or ethnicity, gender, yet it is unclear to what degree these differences are due school or nonschool factors. We observe how gaps in change during (summer) periods from the start of kindergarten entry until end second grade a recent nationally representative sample more than 16,000 children (the Early Childhood Longitudinal Study Kindergarten Class 2010–11). find that large exist at entry, favor...

The Korean Centers for Disease Control & Prevention reports the asymptomatic case proportion COVID-19 is 33.3%. in South Korea closely approximates rate of 30.8% reported by Nishiura et al. (2020) among Japanese nationals returning from abroad.