[Hepatitis B vaccination among school children].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines / Q000008:administration & dosage*; D006801:Humans; D013030:Spain; D014611:Vaccination
D017325:Hepatitis B Vaccines
Cobertura vacunal frente a la hepatitis B en el medio escolar.