 The patient then had a recurrence or flare-up or possibly new injury, again, particularly to his lower back while working for Frito Lay on 03/29/1997, when he was loading some pallets on the back of a trailer. 
The patient then had a recurrence or flare - up or possibly new injury , again , particularly to his lower back while working for Frito Lay on 03/29/1997 , when he was loading some pallets on the back of a trailer .