12 days of Holiday Cheer On the 12th day of Holiday Cheer, Dr. El-Sanhouri gave away.. On the 11th day of Holiday Cheer, Dr. You gave away.. On the 10th day of Holiday Cheer, Dr. Lewis gave away.. On the 9th day of Holiday Cheer, Dr. Liu gave away.. On the 8th day of Holiday Cheer, Dr. Yeomans gave away.. On the 7th day of Holiday Cheer, Dr. Landay gave away.. Video embed code not specified. On the 6th day of Holiday Cheer, Dr. Barnes gave away.. On the 5th day of Holiday Cheer, Dr. Doshi gave away.. On the 4th day of Holiday Cheer, Dr. Biscette gave away.. On the 3rd day of Holiday Cheer, Dr. Mackovjak gave away.. On the 2nd day of Holiday Cheer, Dr. Bueche gave away.. On the 1st day of Holiday Cheer, Dr. Rana gave away...