BACKGROUND In diagnostic radiology lead apron, are usually used to protect patients and radiology staff against ionizing radiation. Lead apron is a desirable shield due to high absorption and effective attenuation of x-ray photons in the diagnostic radiology range. OBJECTIVE Although lead aprons have good radiation protection properties, in recent years, researchers have been looking for alte...

Abstract We examine how creditor rights affect the trade-off between non-debt and debt tax shields. Using four bankruptcy reforms a panel of private public firms from Italy, we show that laws empowering creditors reduce avoidance increase financing, consistent with substituting shields corroborate validity our findings using across 33 countries. Additionally, document impact protection is mitig...

For superficial lesions, the electrons may be used for radiation therapy. The high energy photons and electrons are produced by a Linear accelerator (Linac). Many of electron fields need the shielding of normal or critical organs. The electron shields are usually lead slabs with few millimeter thicknesses which should be placed near the skin, less than 1 cm away from skin. In the inspection of ...

The tongue repositioning manoeuvre has been demonstrated to lead to a closed rest position of orofacial structures with increased contact of the velum with the tongue and a contact position of the tongue at the hard palate. Within the multifactorial etiology of snoring, the tongue repositioning manoeuvre was used as training method in conjunction with pressure indicating oral shields to reduce ...

background: gonad shielding has been recommended during pelvic x-rays since the 1950s. the popular method of gonad shielding is placement a lead shield in the midline of the pelvis. the aim of this study was to evaluate the prevalence and utility of gonad shielding in pediatrics undergoing pelvic x-rays.materials and methodsfollowing study approval, we retrospectively retrieved data from the di...