When the dissociation curve shifts to the left.

@article{Aggarwal2015WhenTD,
  title={When the dissociation curve shifts to the left.},
  author={Bhuvnesh Aggarwal and Ruhail Kohli and Rendell W. Ashton and Moises Auron},
  journal={Cleveland Clinic journal of medicine},
  year={2015},
  volume={82 3},
  pages={156-60}
}