Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) American Academy of Pediatrics Committee on Infectious Diseases and Committee on Fetus and Newborn,Guidelines for prevention of group B streptococcal (GBS) infection by chemoprophylaxis,Pediatrics,,,1992,90,,775-778,https://cir.nii.ac.jp/crid/1570291224859742464,