要鑑定Staphylococcus aureus 時,除凝固酶試驗(coagulase test)之外,下列何項試驗的專一性(specificity)更高,可代替凝固酶試驗?
Modified oxidase test
Thermostable endonuclease(DNase)test
Mannitol fermentation
VP test(acetoin test)