Elias turned the pages of Mackie and McCartney. He found the detailed table for the Staphylococcus epidermidis group. He read about the novobiocin resistance test. He cross-referenced it with the section on urinary pathogens.
He ran his finger down the page. Coagulase test. Positive. S. aureus. Negative. Coagulase-negative Staphylococci (CoNS). practical medical microbiology by mackie and mccartney pdf