Mueller, J. H.; Hinton, J. (October 1, 1941). "A Protein-Free Medium for Primary Isolation of the Gonococcus and Meningococcus". Experimental Biology and Medicine. 48 (1): 330–333. doi:10.3181/00379727-48-13311. S2CID84378770.
Mueller, J. H.; Hinton, J. (October 1, 1941). "A Protein-Free Medium for Primary Isolation of the Gonococcus and Meningococcus". Experimental Biology and Medicine. 48 (1): 330–333. doi:10.3181/00379727-48-13311. S2CID84378770.
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"Centennial Year Affairs". Bellwether. Vol. 1, no. 12. University of Pennsylvania. Summer 1984. Retrieved February 26, 2017.