A test of a new intervention or treatment on people for. detecting. -Tolerability. -Safety. -Efficacy. A Clinical trial is defined as a prospective study. comparing the effect and value of intervention. (s) against a control in human beings.
Most DVD Players support playing DL DVD-R, DVDÂ±R/RW, DVD, CD-R/RW, MP3, JPEG, however different plays have their special features. You need to introduce us what DVD player you have and then we can show you the detailed video formats.
How to play a DVD movie in Windows XP. Windows XP users who do not have either a DVD player program, DVD codec, or a DVD decoder will be unable to watch movies using the Windows Media Player. Often, users receive an error message similar to the one below.