نتایج جستجو برای: main factor
تعداد نتایج: 1390343 فیلتر نتایج به سال:
A 15 year old girl who was labelled as having MacLeod's syndrome on the basis of a chest radiograph was subsequently, at the age of 23 years, found to have an adenoid cystic carcinoma obstructing the left main bronchus. This case emphasises the need to exclude a central lesion in cases of unilateral hyperlucent lung.
As a rare malformation with a wide variety of clinical modes of presentation, the bronchogenic cyst remains a diagnostic challenge. We report a case with a subcarinal bronchogenic cyst and stenosis of the left main bronchus presenting as "unilateral hyperlucent lung". Hypoplasia of the ipsilateral pulmonary vascular system persisted after surgical restitution of ventilation and is most likely d...
In 1947 Price Thomas performed a bronchotomy and removed a portion of the circumference of the wall of the right main bronchus for an adenoma, performing a plastic repair of the bronchus (Price Thomas, 1956). The patient had a straightforward convalescence, with good primary union of the bronchus, and has continued to make good use of both lungs ever since. The procedure has been repeated with ...
abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...
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