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PURPOSE The experiment was performed to prove that exposure to a relatively weak extremely low frequency (ELF) magnetic field retards tadpoles' development. METHODS Two cohorts of Xenopus laevis laevis (Daudin) tadpoles were exposed during their immature period ( approximately 60 days) to a 50 Hz magnetic field of 63.9 < or = B < or = 76.4 microT rms(More)
Bilateral occipital calcifications associated with epilepsy and sometimes with celiac disease have been described previously. A boy with bilateral frontal and occipital diffuse calcifications accompanied by failure to thrive, nephrogenic diabetes insipidus, developmental delay and seizures, but without celiac disease is presented. Follow-up at 3 years of(More)
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