There are 3 studies that match your criteria.
Criteria: Study Type=Human / Provocation,Freq Range=300 kHz - 300 GHz (RF/mmW/THz),Study Subtype=Oxidative Stress

View This Study - Citation No: 5290
Title	Assessment of oxidant/antioxidant status in saliva of cell phone users.
Reference	Electromagnetic Biology and Medicine. , Vol. 33, Pg. 92 - 97, 2014
Author(s)	Khalil A. M., Khadra K. M., Aljaberi A. M., Gagaa M. H., Issa H. S.
PubMed UID	23781989
Project ID	2301
View This Study - Citation No: 5460
Title	Evaluation of selected biochemical parameters in the saliva of young males using mobile phones.
Reference	Electromagnetic Biology and Medicine., Vol. 34, Pg. 72 - 76, 2015
Author(s)	Khadra K. M., Khalil A. M., Samak M. A., Aljaberi A.
PubMed UID	24499288
Project ID	2301
View This Study - Citation No: 5575
Title	Is human saliva an indicator of the adverse health effects of using mobile phones?
Reference	Antioxid Redox Signal., Vol. 18, Pg. 622 - 627, 2013
Author(s)	Hamzany Y., Feinmesser R., Shpitzer T., Mizrachi A., Hilly O., et al. .
PubMed UID	22894683
Project ID	2376