Development of a reflectance photoplethysmographic sensor used for the assessment of perfusion of free jejunum flaps: A case report. - Tina Zaman; Panayiotis A. Kyriacou; Alla Belhaj; Richard M. Langford; H. D. L. Patel (BIBE, 2012)

Modulation of finger photoplethysmographic traces during forced respiration: Venous blood in motion? - Justin P. Phillips; Alla Belhaj; Kamran Shafqat; Richard M. Langford; Kirk H. Shelley; Panayiotis A. Kyriacou (EMBC, 2012)

Effect of respiratory-induced intensity variations on finger SpO2 measurements in volunteers. - Justin P. Phillips; Alla Belhaj; Richard M. Langford; Panayiotis A. Kyriacou (EMBC, 2013)