 Testicles, ovaries, gall bladders, stomachs, spleens, cervixes, and especially colons were suspected as the focus of infection and were removed surgically.Being before even rudimentary scientific methods such as control groups—and by extension, double-blind experiments—existed, statistical methodology for applications in human behavior and medical research did not emerge during the lifetime of Cotton.He could only follow faulty methods to compile data, much of it allowing for projection of anticipated results.