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.
1 Go to File and then Open File. 2  Click the Browse button and browse to the folder that contains the contents of the DVD movie. 3  Select the file named Video_TS.ifo.. 4  This is the information file for the full DVD movie that will allow you to play a VOB file as well as other files associated with the movie.. Use Media Player Classic for playing VOB files that are stored on your hard drive or on an external device. This is probably the easiest way to play VOB files since Windows Media Classic is a simpler software compared to other programs that can play DVD movies. Here are the steps that you need to follow.