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 with Windows Media Player. 1  1. Open Windows Media Player and insert the DVD in the DVD drive. 2  2. 3  If the disc does not start playing automatically, click Quick Access Panel button on the Windows Media Player menu and select the drive that contains the DVD.