Foreign body ingestion in trachea is a common occurrence children. However, pharyngeal foreign bodies are rare. Unlike the trachea, lumen of pharynx not kept patent by tracheal cartilage. Therefore, it difficult to distinguish from surrounding tissues. In addition, photographed lung window, so radiolucent objects may be seen, but mediastinal window sometimes appear invisible. If suspected, then...

Unlike European languages, many Asian languages like Chinese and Japanese do not have typographic boundaries in written system. Word segmentation (tokenization) that break sentences down into individual words (tokens) is normally treated as the first step for machine translation (MT). For Chinese and Japanese, different rules and segmentation tools lead different segmentation results in differe...

Abstract It is proved that all sufficiently large integers n can be represented as n = x 1 2 + 3 ⋯ 13 14 , n=x_{1}^{2}+x_{2}^...

this paper using endogenous growth models based on research and development, has investigated two economic relations in three groups of countries included developed countries, developing countries and a mixed group of both mentioned ones. at first, the effects of r&d; activities on patent growth have examined and then the relation between volume of patent and growth rate in these groups has sur...

This case report was an attempt to present the importance of diagnostic echocardiography and closure of a patent foramen ovale in carcinoid heart disease. Herein, we present a case of a 48-year-old woman with a carcinoid metastasis presenting with tricuspid regurgitation, pulmonic stenosis, patent foramen ovale, and borderline left ventricular ejection fraction on an echocardiogram. Surgical in...