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.
Skinner CS, Schildkraut JM, Calingaert B, Hoyo C, Crankshaw SS, Fish L, Susswein L, Jasper C, Reid L. Factors associated with African Americans' enrollment in a national cancer genetics registry. Community Genet. 2008 Apr 1;11(4):224-33.
Williams AG, Dhamrait SS, Wootton PT, Day SH, Hawe E, Payne JR, Myerson SG, World M, Budgett R, Humphries SE, Montgomery HE. Bradykinin receptor gene variant and human physical performance. J Appl Physiol. 2004;96(3):938-42.