{{Cite journal| volume = 31| issue = 7| pages = –554-A554-A554-A554| last1 = Velho| first1 = G.| last2 = Froguel| first2 = P.| last3 = Sternberg| first3 = R.| last4 = Thevenot| first4 = D.R.| last5 = Reach| first5 = G.| title = Needle-Type Glucose Sensors – Influence of Needle Material on Invitro and Invivo Stability| journal = Diabetologia| date = 1988}}