References
Canadian Medical Association. (2019, December). Clinical immunology/allergy profile. Canadian Medical Association Specialty Profiles. https://www.cma.ca/sites/default/files/2019-01/immunology-allergy-e.pdf
CrashCourse. (2015, November 30). Lymphatic system: Crash Course anatomy & physiology #44 [Video]. YouTube. https://youtu.be/I7orwMgTQ5I
CrashCourse. (2015, December 8). Immune system, part 1: Crash Course anatomy & physiology #45 [Video]. YouTube. https://youtu.be/GIJK3dwCWCw
CrashCourse. (2015, December 14). Immune system, part 2: Crash Course anatomy & physiology #46 [Video]. YouTube. https://youtu.be/2DFN4IBZ3rI