The author used primarily field work in order to create her arguments. This is shown through interviews and case studies involving people effected. She also uses data analysis and statistics to help affirm her argument. Other experts are cited and used as part of her argument.
This study is published in the Japanese Journal of Clinical Oncology. This journal is for clinical oncologists and publishes articles about medical oncology, clinical trials, radiology, surgery, basic research, epidemiology, and palliative care. It was established in 1971 as the first journal from Japan to publish clinical research on cancer in English. It is a sister-journal to the Journal of the National Cancer Institute. It is also linked through the Oxford Journals.