Electroretinogram procedure standard followed:Type:Pt:^Patient:Nom:Electroretinogram
electroretinogram procedure standard followed:type:pt:^patient:nom:electroretinogram
Electroretinogram procedure standard followed:Type:To identify measures at a point in time:^Patient:Nominal:Electroretinogram
electroretinogram procedure standard followed:type:to identify measures at a point in time:^patient:nominal:electroretinogram