CLINICAL TRIAL OF FURTHER ATTENUATED MEASLES VACCINE.
D035843:Biomedical Research; D002648:Child; D004739:England; D006801:Humans; D007223:Infant; D008457:Measles; D008458:Measles Vaccine; D013223:Statistics as Topic; D014613:Vaccines, Attenuated
D008458:Measles Vaccine; D014613:Vaccines, Attenuated
CHILD; CLINICAL RESEARCH; ENGLAND; INFANT; MEASLES VACCINE; STATISTICS