PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6974738-1 1981 Production of staphylococcal beta-lactamase was shown to be correlated with penicillin G minimum inhibitory concentrations (MICs) of greater than 0.05 microgram/ml for 97% of the Staphylococcus aureus and 99% of the Staphylococcus epidermidis strains tested. Penicillin G 76-88 Beta-lactamase Staphylococcus epidermidis 29-43