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.
If you see an error from Windows Media Player that says compatible DVD decoder not installed, this means that a plugin (called an mpeg-2 decoder) needed to play DVDs is not installed. The Windows Media Player plugin is sold for a fee. However, the VLC Player program, available free of charge, will enable you to play DVDs or any type of video file. We recommend downloading this software from www.videolan.org in order to play DVDs on your computer.