Tips
http://emdidactic.blogspot.com/2016/08/mrcem-part-c-9-unsolicited-advices.html
https://accident-emergencymedicine.blogspot.com/2014/03/teaching-station-osce.html
http://fcemprep.co.uk/
Youtube videos
https://www.youtube.com/user/OxfordMedicalVideos/videos
Random useful stuff
http://rebelem.com/tag/sgarbossa-criteria/