Part 2 [video]www.youtube.com/watch?v=M_ZPHzrdwiQ[/video] part 3 [video]www.youtube.com/watch?v=FIaF6v34NvA[/video] Part 4 [video]www.youtube.com/watch?v=a4d76hV_Pjg[/video] click here to watch over 100 hours of internal medicine lectures on ftplectures.com