@misc{indiciae2aacff070e15, title = {Amperometric enzyme electrode for theophylline.}, author = {J Wang and E Dempsey and M Ozsoz and M R Smyth}, year = {1991}, doi = {10.1039/an9911600997}, url = {https://pubmed.ncbi.nlm.nih.gov/1801607/}, note = {Source identifier: 1801607} }