@misc{8772,
  author = {R. Ravindrarajah and N. Hazra and S. Hamada and J. Charlton and S. Jackson and A. Dregan and M. Gulliford},
  title = {Systolic Blood Pressure Trajectory, Frailty, and All-Cause Mortality >80 Years of Age: Cohort Study Using Electronic Health Records},
  year = {2017},
  journal = {Circulation},
  volume = {135},
  number = {24},
  pages = {2357-2368},
  issn = {0009-7322},
  doi = {10.1161/circulationaha.116.026687},
}