TY - JOUR T1 - Group B streptococcal infection: when does vertical transmission take place? JF - Archives of Disease in Childhood - Fetal and Neonatal Edition JO - Arch Dis Child Fetal Neonatal Ed SP - F46 LP - F47 DO - 10.1136/fn.73.1.F46 VL - 73 IS - 1 AU - C. A. Michie AU - R. Blumberg Y1 - 1995/07/01 UR - http://fn.bmj.com/content/73/1/F46.abstract N2 - Expression of CD45 isoforms was used to estimate when group B streptococci had infected a child born with low Apgar scores who subsequently died. The measure suggested that infection was present more than 24 hours before delivery, thus distinguishing perinatal infection as the primary event which preceded intrapartum asphyxia in this case. ER -