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机译:Correspondence on "Ultrasound as diagnosis tool for grading bronchiolitis. Where are your limits lost?"
Bambino Gesu Pediat Hosp, Inst Res & Hlth Care IRCCS, Emergency Pediat Dept, Piazza St Onofrio 4, I;
Fdn Policlin Univ Gemelli, Inst Res & Hlth Care IRCCS, Dept Pediat, Largo Agostino Gemelli 8, I;