1. Skin tests in sarcoidosis;Citron;Tubercle, Lond.,1957
2. The effect of cortisone upon the reaction of the skin to tuberculin in tuberculosis and in sarcoidosis;Citron;Quart. J. Med.,1957
3. Tissue culture studies of tuberculin sensitivity in man;Citron;Tubercle, Lond.,1958
4. Cortisone and skin sensitivity to tuberculin in reticuloses;Fairley;Brit. med. J.,1960
5. Delayed cutaneous sensitivity in sarcoidosis;Friou;J. clin. Invest.,1952