منابع مشابه
Salute to samarium.
Many years ago while studying for a degree in mineralogy, I was privileged to visit the Russian Ilmen Mountains, host to two minerals from which several rare-earth elements were discovered — monazite ((Ce, La, Nd, Th)PO4), and another mineral that was first described in 1839 by the German mineralogist Gustav Rose. He found uranium and tantalum in its composition and thus proposed the name urano...
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A 24-year-old man presented with a palpable mass in the deep superonasal quadrant of the left orbit which had been present for one year. He had no visual complaints, yet noted multiple hard masses at the right and left mandibular angles. The patient had history of a similar mass in his right orbit which had prompted surgical intervention 2 years earlier. Histopathological evaluation of the righ...
متن کاملGardner Syndrome
Multiple adenomatous colon polyps. An adenomatous polyp is an area where the normal cells that line the inside of the colon and begin to make mucous and form a mass on the inside of the intestinal tract. Benign (noncancerous) tumors, including: sebaceous cysts (closed sac filled with liquid found under the skin) epidermoid cysts (lumps in or under the skin often filled with liquid) fibromas (fi...
متن کاملThe Clinton plan: a salute to American pluralism.
The strength of President Bill Clinton's health reform proposal lies in its commitment to universal, portable health insurance. To enhance the political appeal of his plan, however, the president has forged a compromise between two divergent ethical precepts: (1) that health care is a social good to be made available to all Americans, on equal terms, at a financial burden roughly proportional t...
متن کاملGardner-Diamond syndrome.
Gardner-Diamond syndrome, which also is knownas autoerythrocyte sensitization disorder, is a raresyndrome of inflammatory, edematous papulesthat evolve into painful ecchymoses on the trunkand lower legs after a period of stress with no priorhistory of trauma. This syndrome usually occurs inwomen with a history of psychiatric disorders, themost common one being depression. Although theexact mech...
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ژورنال
عنوان ژورنال: Science
سال: 2002
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.295.5563.2177