Tadros, J., Goodman, S., & Tkaczyk, E. R. (2018). Subcutaneous scalp nodule as the presenting symptom of systemic light-chain amyloidosis. Dermatology Practical & Conceptual, 8(3). https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0803a07