(PDF document) Breath biomarkers of influenza infection. 
Patrick J Danaher, Michael Phillips, Peter Schmitt, Stephanie A Richard, Eugene V Millar, Brian K White,Jason F Okulicz,Christian L Coles,Timothy H Burgess.Open Forum Infectious Diseases, ofac489,https://doi.org/10.1093/ofid/ofac489.
Published: 9/21/2022

(PDF document) Breath biomarkers of total body irradiation in non-human primates. 
Michael Phillips, Felix Grun, Peter Schmitt Journal of Breath Research
(11 January 2022).