Pain occurs several times per day. Pain intensity most often returns to zero (e.g. 0 on a numerical rating scale). There are pain free intervals.
pain occurs several times per day. pain intensity most often returns to zero (e.g. 0 on a numerical rating scale). there are pain free intervals.
Pain occurs several times per day. Pain intensity most often returns to zero (e.g. 0 on a numerical rating scale). There are pain free intervals.
pain occurs several times per day. pain intensity most often returns to zero (e.g. 0 on a numerical rating scale). there are pain free intervals.