Ethambutol+rifAMPin:Susc:Pt:Isolate:OrdQn:MIC
ethambutol+rifampin:susc:pt:isolate:ordqn:mic
Ethambutol+rifAMPin:Susceptibility:To identify measures at a point in time:Isolate:Quantitative or Ordinal:Minimum Inhibitory Concentration
ethambutol+rifampin:susceptibility:to identify measures at a point in time:isolate:quantitative or ordinal:minimum inhibitory concentration