The Bahaman Swallow in Florida
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چکیده
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The Cave Swallow in Texas
Among the group of birds of tropical and subtropical distribution that reach their northern limits in the southwestern United States, the Cave Swallow (Petrochelidon fulvu) is of special interest since it nests colonially in caves. It was first reported in the United States by Scott (1890), who collected two vagrants of the.Cuban and Isle of Pines race, P. f. “caticoZa” (= cmmata, fide Hellmayr...
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of Virginia's governor Tim Kaine to sign a bill banning the use of certain state funds for embryonic stem cell research. This move has an ironic twist as Obama nominated Kaine as chairman of the Democratic National Committee, a position he will take on full time when his term as governor expires next January. In Germany, production of and research with new stem cell lines are still off limits, ...
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چکیده ندارد.
15 صفحه اولSwallow preservation exercises during chemoradiation therapy maintains swallow function.
OBJECTIVE To evaluate a swallow preservation protocol (SPP) in which patients received swallow therapy before, during, and after radiation treatment and its efficacy in maintaining swallowing function in head and neck cancer patients. DESIGN Case series with chart review. SETTING Tertiary care academic medical center. SUBJECTS AND METHODS Eighty-five patients who received radiation (RT) o...
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A frequently hypothesized but poorly studied cost of multiple mating in birds is that exposure to pathogenic sexually transmitted microbes (STM's) can lower reproductive success. Conversely, female birds may benefit from high frequencies of copulation and multiple copulation partners if they receive cloacal inoculations of beneficial STM's that can either protect them against future encounters ...
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ژورنال
عنوان ژورنال: The Auk
سال: 1897
ISSN: 0004-8038,1938-4254
DOI: 10.2307/4068909