title: Assumed versus approved breakpoints.
authors.forename: D A
authors.initials: DA
authors.lastname: Preston
authors.forename: M R
authors.initials: MR
authors.lastname: Turnak
mesh_terms: D002433:Cefaclor / Q000494:pharmacology*; D002511:Cephalosporins / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D020714:Maximum Tolerated Dose; D008826:Microbial Sensitivity Tests; D013296:Streptococcus pneumoniae / Q000187:drug effects*
chemical_list: D002511:Cephalosporins; D002433:Cefaclor