1. Perinatal bacterial diseases;Mustafa,1992
2. Development and differences of intestinal flora in the neonatal period in breast-fed and bottle-fed infants;Yoshioka;Pediatrics,1983
3. The origin of O serotypes of Escherichia coli in babies after normal delivery;Bettelheim;J Hyg Camb,1974
4. Epidemiology of Escherichia coli K1 in healthy and diseased newborns;Sarff;Lancet,1975
5. The etiology of Escherichia coli in a maternity ward in Christchurch, New Zealand;Bettelheim;Zbl Bakt Hyg I Abt Orig,1983