TY  - RPRT
TI  - Group B streptococcal colonization and preterm labour.
AU  - H McDonald
AU  - R Vigneswaran
AU  - J A O'Loughlin
PY  - 1989
DO  - 10.1111/j.1479-828x.1989.tb01745.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2695054/
ID  - 2695054
ER  -