'COVER' (cover of vaccination evaluated rapidly): 25.
White
J M
JM
Leon
S
S
Begg
N T
NT
D004165:Diphtheria / Q000517:prevention & control; D004739:England; D006192:Haemophilus Infections / Q000517:prevention & control; D006193:Haemophilus influenzae; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D008457:Measles / Q000517:prevention & control; D014611:Vaccination / Q000706:statistics & numerical data*; D014852:Wales; D014917:Whooping Cough / Q000517:prevention & control