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.
a dvd-r disc image by wayne ruston from Fotolia.com. Windows Media Player allows you to play any DVD video file, including PAL movies. Because they're typically imported from Europe, PAL movies have a slightly different frame rate than the North American NTSC format.