3 pages (pp. 859-861) IN: Journal of the American Medical Association, vol. 63, no. 10. Tall 4to, sewn, modern wrappers. Chicago, 1914. First Edition. Whole number offered entire.
With A. Zingher and M.H. Serota. Park was an early advocate of diphtheria immunization with toxin-anti-toxin. GM 5068.