RT Journal Article SR Electronic T1 Response to novel influenza A (H1N1) virus ramping up JF AAP News JO AAP News FD American Academy of Pediatrics SP 1 OP 1 DO 10.1542/aapnews.2009309-1 VO 30 IS 9 A1 Bernstein, Henry H. A1 Bradley, John S. YR 2009 UL http://www.aappublications.org/content/30/9/1.1.abstract AB