Unified Medical Language System. UMLS Metathesaurus License. Appendix 1: UMLS Source Vocabularies.
Keyboard controls: Space bar - toggle play/pause; Right and Left Arrow - seek the video forwards and back; Up and Down Arrow - increase and decrease the volume; M key - toggle mute/unmute; F key - toggle fullscreen off and on.
Alternatively, you can download and play the mp4 video file (114 MB) and the
vtt caption file.
Last Reviewed: May 18, 2018