Methods to estimate gestational age can significantly affect study results.
MedImmune, Gaithersburg, Maryland.
Christopher S
CS
Ambrose
MedImmune, Gaithersburg, Maryland.
Christopher
C
Rizzo
MedImmune, Gaithersburg, Maryland.
Herve
H
Caspard
D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D007235:Infant, Premature, Diseases / Q000517:prevention & control*; D008297:Male; D018357:Respiratory Syncytial Virus Infections / Q000517:prevention & control*; D012136:Respiratory Syncytial Viruses / Q000276:immunology*