(PDF document) Effect of age on the profile of alkanes in normal human breath.
Phillips M, Greenberg J and Cataneo RN
Free Radical Research (2000); 33: 57-63

(PDF document) Effect of age on the breath methylated alkane contour, a display of apparent new markers of oxidative stress.
Phillips M, Cataneo RN, Greenberg J, Gunawardena R, Naidu A and Rahbari-Oskoui F
Journal of Laboratory and Clinical Medicine (2000); 136(3): 243-249