Recurrent wheezing in the third year of life among children born at 32 weeks' gestation or later: relationship to laboratory-confirmed, medically attended infection with respiratory syncytial virus during the first year of life.
Escobar
Gabriel J
GJ
Division of Research, Systems Research Initiative and Perinatal Research Unit, Kaiser Permanente Medical Care Program, Oakland, California 94612, USA. gabriel.escobar@kp.org
Ragins
Arona
A
Li
Sherian Xu
SX
Prager
Laura
L
Masaquel
Anthony S
AS
Kipnis
Patricia
P