Employee called on 3/3/10 stating that he hurt his back on 3/2/10 while loading a shot with wet hole bags. He stated that he was going to the doctor. He returned to work on 3/4/10 with no doctors excuse. He said the doctors office was full and that he did not wait. He worked the 4th, 5th, and 6th. He called on the 8th stating he could not work.