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.
Some DVD players can also play video files stored on DVD media (DVD data discs created on a computer), but that is not standardized in the market and every player that can will have different formats and limitations - so if you arenât playing DVD Video, you need to consult the playerâs manual and experiment a little.