Symposium Nuclear Cardiology and High Technology Achievements, Belgrade, Yugoslavia This bundle contains a typescript of the talk enitled 'Nuclear Magnetic Resonance (NMR) - Principle, The Aberdeen Programme and Clinical Potentials', given at the Symposium Nuclear Cardiology and High Technology Achievements, Belgrade, Yugoslavia on the 3rd June 1983 and a letter from Dr Vladimir B. Bosnjakovic, Institute of Nuclear Medicine, The University of Belgrade School of Medicine dated 9 November 1983 to Professor J.R.Mallard thanking him for his contribution and apologising for the delay in recieving his expenses. These copies are the original typescripts. 3 June 1983-9 November 1983