1 The Harvey Dent version of Two-Face is featured in Batman: The Brave and the Bold, voiced by James Remar (in The Fate of Equinox! and in The Mask of Matches Malone!) and by Richard Moll (in Chill of the Night!). 2  He first appears in Legends of the Dark Mite! as part of Bat-Mite 's fantasy.
placebo in the Pharmaceutical Industry. A placebo is a substance with no chemical effects given to a patient instead of a drug. A placebo is usually used to compare its effects with those of a real drug, but sometimes it is given for a patient's psychological benefit.
A placebo is something given to a person that has no physical effect on them even though they may think that it does. In this lesson, you will discover why placebos are used and their purpose in an experiment.