PREVENTION OF MEASLES BY USE OF LIVE VACCINES IN THE U. S. S. R.
D035843:Biomedical Research; D002648:Child; D006801:Humans; D007223:Infant; D008457:Measles; D008458:Measles Vaccine; D014586:USSR; D014613:Vaccines, Attenuated
D008458:Measles Vaccine; D014613:Vaccines, Attenuated
CHILD; INFANT; MEASLES VACCINE; USSR