7D'Agostino JA,Hallas D. Hepatitis B vaccination for preterm infants [ J ]. J Pediatric Health Care ,2012,26( 1 ) :4 - 4.
8Walter EB,Allred N,Rowe West B,et al. Cocooning infants: Tdap immunization for new parents in the pediatric office [ J]. Academic Pediatrics,2009,9(5 ) :344 - 347.