Cole JA, Rothman KJ, Cabral HJ, Zhang Y, Farraye FA. Incidence of IBS in a cohort of people with asthma. Dig Dis Sci. 2007 Feb 28;52(2):329-35.
Wolowacz SE, Yon Hin BFY, Lowe CR. Covalent electropolymerisation of glucose oxidase in polypyrrole. Anal Chem. 1992;64(14):1541.