History of Clinical Research: Blinded Studies, Randomization, and Medical Research Ethics Part 4 of 4en español0 seconds of 0 secondsVolume 90% Press shift question mark to access a list of keyboard shortcuts Keyboard Shortcuts Play/PauseSPACE Increase Volume↑ Decrease Volume↓ Seek Forward→ Seek Backward← Captions On/Offc Fullscreen/Exit Fullscreenf Mute/Unmutem Seek %0-9 28 Views
Related Videos... |