1. Harden, W. G. Scott (1960). In Modern Trends in Diagnostic Radiology, edited by J. W. McLaren, 3rd series, pp. 84-87. Butterworth, London.
2. Kreel, L. (1965). Unpublished.
3. Resultats de 500 Cas de duodenographie Hypotonique;Mallet-Guy, P.; Jacquemet, P.;J. Radiol. Electrol,1963
4. preparing two international symposia of scientific papers to be held on 24 and 25 October 1966 in Karlovy Vary, Carlsbad, Czechoslovakia. Papers to be read at the first symposium, under the Chairmanship of Professor K. Herfort, will be on 'Rare forms of pancreatitis';of Dr. Z