![](https://canceruldesan.ro/assets/images/line-break.png)
Surse:
1. American Cancer Society. http://www.cancer.org/cancer/managing-cancer/treatment-types/immunotherapy.html.2. Cancer Research Institute. http://www.cancerresearch.org/timeline.
Surse:
1. American Cancer Society. http://www.cancer.org/cancer/managing-cancer/treatment-types/immunotherapy.html.