Letchumanan, I. and Gopinath, S.C.B. and Md Arshad, M.K. and Anbu, P. and Lakshmipriya, T. (2019) Gold nano-urchin integrated label-free amperometric aptasensing human blood clotting factor IX: A prognosticative approach for �Royal disease�. Biosensors and Bioelectronics, 131. pp. 128-135. ISSN 09565663