Accuracy and Systematic Biases of Heart Rate Measurements by Consumer-Grade Fitness Trackers in Postoperative Patients: Prospective Clinical TrialPhilipp Helmer, Michael Sammeth, Peter Kranke et al.|Journal of Medical Internet Research|2022Cited by 30
Evaluating blood oxygen saturation measurements by popular fitness trackers in postoperative patients: A prospective clinical trialPhilipp Helmer, Michael Sammeth, Philipp Rodemers et al.|iScience|2023Cited by 10
Accuracy and Systematic Biases of Heart Rate Measurements by Consumer-Grade Fitness Trackers in Postoperative Patients: a prospective clinical trial (Preprint)Philipp Helmer, Michael Sammeth, Bernd Winkler et al.|Unknown|2022Cited by 1