{{Cite journal| volume = 19| issue = 1| pages = 9–11| last1 = Wilson| first1 = G.S.| last2 = Reach| first2 = G.| last3 = Thevenot| first3 = D.R.| title = Biosensors for intracorporeal measurements: Problems and strategies| journal = Biochemical Society Transactions| date = 1991}}