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BACKGROUND Few studies have examined whether prenatal exposure to perfluoroalkyl substances (PFASs) is associated with childhood adiposity. OBJECTIVE We examined associations of prenatal exposure to PFASs with adiposity in early and mid-childhood. METHODS We measured plasma PFAS concentrations in 1,645 pregnant women (median, 9.6 weeks gestation) enrolled in Project Viva, a prospective pre-...

Previous research has shown that Catalan mid-vowel contrasts remain difficult for native Spanish adults to perceive, even those who began using Catalan as an L2 as young children. Here we tested 82 Spanish-Catalan bilinguals first exposed to their L2 by school age (3-6 years) who differed in self-reported use of Catalan. All participated in categorization and AXB discrimination tasks using four...

In this contribution, we report the generation of 17-μJ mid-infrared (MIR) pulses with duration of 70 fs and bandwidth of 550 nm centered at 3.75 μm at 1-kHz repetition rate, by a two-stage femtosecond optical parametric amplifier utilizing 4H-silicon carbide crystal as the nonlinear medium. The crystal is selected as it processes orders of magnitude higher damage threshold than traditional MIR...

PURPOSE To study the effects of surface ablation with mitomycin C (MMC) on keratocyte population. DESIGN Prospective, nonrandomized, interventional, comparative case series. METHODS Thirty two eyes treated with surface ablation with 0.02% MMC were compared with nontreated eyes at Vissum Santa Hortensia, Madrid, Spain. Keratocyte density was measured with the Heidelberg Retina Tomograph II (...

introduction: over the last decade, exposure to non-ionizing electromagnetic waves due to base station antenna has increased. this in vivo study was planned for evaluating the effects of whole-body exposure to 950 mhz field of gsm mobile phone system on rat dentate gyrus long-term potentiation. materials and methods: 24 naive male wistar rats (3 month old, 225|¡|25 g) were randomly divided in t...