One has to be careful with the conclusion that one method is better than the other, given the absence of a clear reference standard for either emphysema or air trapping in our study.
The artist has given the piece a didactic title, "Exoticism Was for Sale," a clear reference to the all-devouring organism known as global culture.
Last week, "Juden"— the German word for Jew and a clear reference to Nazi anti-Semitism — was scrawled across the window of a Paris bagel shop.
Also speaking on Italian TV this morning, Monti warned Italians not to be fooled by "magic solutions" as the country gears up for February elections, a clear reference to Berlusconi.
A senior official of the European Union, Stefan Fuele, warned Ukraine on Tuesday not to use criminal law for political ends, a clear reference to the prosecution of Yulia V. Tymoshenko, a former prime minister.
During the first North American leg of the tour, Arjona expressed interest in singing in Cuba, though showed no political commitment for the matter, a clear reference of the charity event Colombian singer Juanes was planning to hold in that country in 2009.
Mr. Netanyahu said on Sunday that Iran was only six or seven months away from having the fuel to make a quick dash for a nuclear weapon, a clear reference to the activity at Fordow, the underground site near the holy city of Qum.
To read his words literally, Mr. Obama blamed no one other than the country itself, critiquing "our collective failure to make hard choices" and a willingness to suspend national ideals "for expedience's sake" — a clear reference to the cascade of decisions ranging from interrogation policies to wiretapping to the invasion of Iraq.
Katniss's home district has been wiped out (save for her ginger cat, a clear reference to Alien's heroine Ripley) by Donald Sutherland's evil regime, but the heroine seems to be more fixated on drippy Peeta, who is trapped in the capital.
But a television presenter declared -- half-joking, half-serious -- that "there will be no 'honey nor caramels' at the event this weekend... because they're bad for your teeth," in a clear reference to the likelihood of presenting the controversial rhythm with its direct sexual allusions.
