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One hundred seventy strains of E.coli were isolated from meconium and stool samples of newborn infants delivered in KCH, pediatric inpatients, and outpatients during 1978. Strain resistance to antimicrobial agents, and distribution of R Plasmids among them were tested. No. coliform bacterium was detected in meconium samples within 6 hours of birth, but after 20 hours all meconium samples contained... |