The CONTRAST statement constructs and tests linear functions of the parameters in the MODEL statement or effects listed in the LOGLIN statement. Each set of effects (separated by commas) specifies one ...

Contrast sensitivity was also measured ... order aberrations significantly affect CSF in myopic eyes. However, the effect of myopia on CSF cannot be attributed only to HOAs.

The Goetz sign refers to the negative contrast effect seen in the pulmonary artery from non-contrast enhanced blood shunting left to right from the aorta.

Betts, Mihaela Johnson, Christine N. Davis, Alyssa Jordan, and Peyton Williams Formatting features of supers in direct-to-consumer prescription-drug advertising—such as variations in size and contrast ...

Although contrast agents have an essential role in non-invasive imaging techniques, potential side effects limit their use. For example, both low- and iso-osmolar iodinated contrast media used in ...