Fondell E, Lagerros YT, Sundberg CJ, Lekander M, Balter O, Rothman KJ, Balter K. Physical activity, stress, and self-reported upper respiratory tract infection. Med Sci Sports Exerc. 2011 Feb 1;43(2):272-9.
Grubb NR, Sutherland GR, Fleming A, Campanella C, Fox KAA, Sinclair C. Doppler tissue imaging for non-invasive optimisation of graft functions after dynamic cardiomyoplasty. Poster presented at the Medical Research Society Communications Meeting; April 13, 1994. [abstract] Clin Sci (Lond). 1994 Dec 1; 87(s31):38. doi: 10.1042/cs045038P_pt2