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.
Drives with DVD Multi logo can read and write DVD-R/RW and DVD-RAM discs, and read DVD-Video and DVD-ROM. Some may also play DVD-Audio and/or DVD+R/RW discs. Version 1.1 is the current version (as of September 2009).