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Microdilution plate for MIC of aminophylline in tested bacteria. (A) 10.5mg/ml, (B) 10mg/ml, (C) 7mg/ml, (D) 5mg/ml, (E) 2.5mg/ml, (F) Ampicillin, (G) Cefotaxime, and (H) Control (free medium). Bacterial strains are (1) S aureus, (2) S typhi, (3) B subtilis, (4) E cloacae, (5) E aerogenes, (6) E coli, and (7) P yeei
