TY  - RPRT
TI  - TYPE-SPECIFIC STREPTOCOCCAL IMMUNIZATION WITH ORAL VACCINE.
AU  - B F MASSELL
AU  - J G MICHAEL
PY  - 1963
DO  - 10.1128/jb.86.6.1346-1347.1963
UR  - https://pubmed.ncbi.nlm.nih.gov/14086113/
ID  - 14086113
ER  -