Preoperative weight gain in bariatric surgery.

@article{Hamer1998PreoperativeWG,
  title={Preoperative weight gain in bariatric surgery.},
  author={P C De Witt Hamer and Wim Eduard Tuinebreijer},
  journal={Obesity surgery},
  year={1998},
  volume={8 3},
  pages={300-1}
}
A significant weight gain with a mean of 4.4 kg was found between the date of acceptance for bariatric surgery and the date of admission to hospital for the operation.