Complex sentence: Numerous studies have documented that organ vendors have a poor "quality of life" (QOL) following kidney donation.However a study done by Vemuru reddy "et al" shows a significant improvement in Quality of life contrary to the earlier belief.
Split into simpler sentences: Numerous studies have documented that organ vendors have a poor "quality of life" (QOL) following kidney donation. However, a study done by Vemuru reddy "et al" shows a significant improvement in Quality of life contrary to the earlier belief.