the minimal inhibitory concentration ( mic ) of ampicillin for twenty-nine strains including coliforms , e. coli , klebsiella sp. , serratia sp. , ps . aeruginosa , pseudomonas sp. , micrococcus sp. , staph . aureus , streptococcus faecalis and bacillus sp . from raw sewage and polluted river tigris water was determined and that for ps . aeruginosa was 250 micrograms/ml .
C0002680
ampicillin
C0038160
staph