Page:The Armed Forces Institute of Pathology-ItsFirstCentury.djvu/142

THE WALTER REED CHAPTER

For subjects upon whom the experiment was to be carried out, the original reliance was placed upon securing the services of some of the numerous new Spanish immigrants to Cuba who, in the language of the agreement which each one signed, understood "perfectly well that in case of development of yellow fever in him, that he endangers his life to a certain extent but it being entirely impossible for him to avoid the infection during his stay in this island,