منابع مشابه
Investigation of a minor asbestos hazard.
Twelve men who had been exposed to a minor asbestos hazard have been examined clinically, radiologically, and physiologically, and an assessment of the airborne asbestos concentration has also been made. Ten men had worked in a transformer department lagging transformer windings with asbestos paste for between IS and 37 years. Two of these men showed minor radiological and minor physiological c...
متن کاملJet Fires: a “Minor” Fire Hazard?
Jet fires have received only a rather reduced attention as compared to other types of fires; this is probably due to the fact that they are usually much smaller that fireballs, pool fires or tank fires. However, jet fires often occur in areas where there is other equipment and the probability of flames impinging on a pipe or a vessel can be high. Furthermore, due to the turbulence of the phenom...
متن کاملInvasive Prenatal Diagnosis: Amniocentesis
In this article, we will review the history and the evolution of the technique of amniocentesis and the indications of the most common invasive diagnostic and therapeutic procedure. Moreover, the most common complications of amniocentesis will be presented. Finally, we will try to establish if the use of con current ultrasound had any effect on the prevalence on these complications.
متن کاملAmniocentesis Prior to 1980
The extraembryonic membranes [5] that surround and originate from the embryos of vertebrates such as birds [6], reptiles, and mammals are crucial to their development. They are integral to increasing the surface area of the uterus [7], forming the chorion [8] (which in turn produces the placenta [9]) and the amnion [10], respectively. The amnion [10] will ultimately surround the embryo in a flu...
متن کاملAntibiotic prophylaxis before amniocentesis.
We are writing to make your readers aware of events stemming from a published Letter to the Editor in Prenatal Diagnosis (Ferrazzi, 2010) that has led to actions that could appreciably threaten our future ability to discuss and pose questions about methods chosen and conclusions drawn by authors of published papers. In a Letter to the Editor, Professor Enrico Ferrazzi (Ferrazzi, 2010) asked som...
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ژورنال
عنوان ژورنال: BMJ
سال: 1979
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.6167.893-e