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.
Relevance. Rating Newest Oldest. Best Answer: DVD is a totally different format from the normal CD-ROM Drive. you won't be able to play a DVD disc on a CD Drive, it can only be played on a DVD-ROM Drive. DVD-RW (read/write) can read as well as write in DVD formats. also, DVDs have a much larger capacity than CDs.ating Newest Oldest. Best Answer: DVD is a totally different format from the normal CD-ROM Drive. you won't be able to play a DVD disc on a CD Drive, it can only be played on a DVD-ROM Drive.