نتایج جستجو برای: after bubblenest

تعداد نتایج: 1662523  

2003
Daniel Holbrook

Intensive research and development during the Second World War had resulted in new technologies uch as radar, the proximity fuse, and the atomic bomb, all of which contributed to the Allied victory. The Cold War marked a new era in government funding for research and development, however, as new geopolitical pressures convinced military and civilian policymakers to maintain R&D expenditures ata...

2014
Daron Acemoglu Peter Temin Elisha Gray

This dissertation consists of four empirical studies, each using military-induced variation to examine various aspects of human capital production and the U.S. labor market. The first two chapters study the effects of social interactions on human capital development at the United States Military Academy where social groups are randomly assigned. Chapter 1 highlights the empirical difficulties a...

Journal: :The British journal of ophthalmology 1995
C Beckman L Bond-Taylor B Lindblom J Sjöstrand

AIMS/BACKGROUND The study aimed to determine the influence of increased intraocular light scatter on the contrast in scanning laser ophthalmoscope (SLO) images and to examine to what extent SLO images can visualise the fundus through media opacities due to cataract. METHODS Intraocular light scatter was estimated from measurements of letter contrast sensitivity before and after cataract surge...

Journal: :Obstetrics and gynecology 2012
Marian F Macdorman Eugene Declercq T J Mathews Naomi Stotland

OBJECTIVE To examine trends and characteristics of home vaginal birth after cesarean delivery (VBAC) in the United States and selected states from 1990-2008. METHODS Birth certificate data were used to track trends in home and hospital VBACs from 1990-2008. Data on planned home VBAC were analyzed by sociodemographic and medical characteristics for the 25 states reporting this information in 2...

2011
Sulochana Dhakal Edwin van Teijlingen Edwin Amalraj Raja Keshar Bahadur Dhakal

In Nepal, most births take place at home, and many, particularly in rural areas, are not attended by a skilled birth attendant. The main objectives of the study were to assess the use of skilled delivery care and barriers to access such care in a rural community and to assess health problems during delivery and seeking care. This cross-sectional study was carried out in two Village Development ...

2015
Ingela Lundgren Evelien van Limbeek Katri Vehvilainen-Julkunen Christina Nilsson

BACKGROUND The most common reason for caesarean section (CS) is repeat CS following previous CS. Vaginal birth after caesarean section (VBAC) rates vary widely in different healthcare settings and countries. Obtaining deeper knowledge of clinicians' views on VBAC can help in understanding the factors of importance for increasing VBAC rates. Interview studies with clinicians and women in three c...

2017
Zsanett Takács Ferenc Jankovics Péter Vilmos Péter Lénárt Katja Röper Miklós Erdélyi

Dorsal closure of the Drosophila embryonic epithelium provides an excellent model system for the in vivo analysis of molecular mechanisms regulating cytoskeletal rearrangements. In this study, we investigated the function of the Drosophila spectraplakin Short stop (Shot), a conserved cytoskeletal structural protein, during closure of the dorsal embryonic epithelium. We show that Shot is essenti...

Journal: :Biophysical journal 1982
B M Aizenbud N D Gershon

Lateral mobility of molecules on cell membranes has been recently studied by fluorescence photobleaching recovery (FPR) techniques. The interpretation of these results in terms of diffusion along the membranes is based on the assumption that the surface is planar, although biological membranes may have blebs and microvilli. To study the effect of nonplanarity on the diffusion rate, the diffusio...

2012
Sylwia Kellas-Ślęczka Piotr Wojcieszek Brygida Białas

Endometrial cancer is the most frequent cancer of female genital tract. Metro- and menorrhagia or postmenopausal bleeding results in its early presentation. It allows radical treatment. However, controversies remain on surgery coverage or adjuvant therapies in early endometrial women cancer. Optimal management should minimize intervention instead of aggressive approach, as showed by recent stud...

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