Demystifying Medicine 2014 - Pertussis (Whooping Cough): A Lesson in Vaccines0 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 %0-9 222 Views
Related Videos... |