Cuffless Blood Pressure Measurement Using a Smartphone-Case Based ECG Monitor with Photoplethysmography in Hypertensive Patients. - Zhanna Sagirova; Natalia Kuznetsova; Nana Gogiberidze; Daria Gognieva; Aleksandr Suvorov; Petr Chomakhidze; Stefano Omboni; Hugo Saner; Philippe Kopylov (Sensors, 2021)