نتایج جستجو برای: 15 months
تعداد نتایج: 790659 فیلتر نتایج به سال:
One artifact from my childhood in the 1960’s that I still remember vividly is the series of plastic slidingblock puzzles manufactured by The Roalex Company of Forest Hills, NY (no relation to the maker of fine timepieces). These consisted of a high-quality plastic puzzle glued to a piece of cardboard containing information about the puzzle. Most of their sixty or so different designs were based...
We show that the mixing time for the fifteen puzzle in an n× n torus is on the order of n logn.
BACKGROUND In 2011, >750 cases of measles were reported in Quebec, Canada, where a routine 2-dose measles immunization schedule, in which measles vaccine is given at 12 and 18 months of age, had been in effect since 1996. Effectiveness of this schedule was assessed during a high school outbreak. METHODS Cases were identified by passive followed by active surveillance. Classical cases met the ...
Does CPAP Use in the First 15 Days Predict its Use after 4 Months? A Prospective French Cohort Study
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