"The Interconvertibility of 'R' and 'S' Forms of Pneumococcus", Journal of Experimental Medicine, volume 47, no. 4 (1 April 1928): 577–591.
«The Interconvertibility of 'R' and 'S' Forms of Pneumococcus», Journal of Experimental Medicine, volume 47, no. 4 (1 April 1928): 577–591. (англ.)