School entry immunization: 15% of students lack complete vaccination protection.
University of Arkansas for Medical Sciences, USA.
Robert
R
Hopkins
Jessica
J
Bonow
D001131:Arkansas; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D017589:Immunization Programs / Q000331:legislation & jurisprudence / Q000592:standards*; D007115:Immunization Schedule; D008297:Male