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.
In fact, whether the DVD players play AVI videos or not, it depends on the DVD player model, the AVI video codec or the AVI video resolution/size: 1  Most DVD players only accept MPEG-2 in standard VOBs. 2  Though some newer DVD players can play AVI files, it only plays AVI which is encoded with DivX. However, AVI is a container video format which may encoded with different video codecs like DivX, Xvid, MPEG-4, H.263, WMV, MPEG-1 and etc.
Use version 9 for older copies of Windows Media Player. Click the Rip or Convert button, and the program will begin converting the DVD video format into a .WMV file that Windows Media Player can play. This process could take a few hours. Load the resulting video file into Windows Media Player. Click the Library button to see a list of folders which you can use to organize your media.