Rahman, Y.; Krisanti, R. I. A.; Wisnu, W.; Sitohang, I. B. S. The Comparison Between Free Thyroxine and Thyroid-Stimulating Hormone Levels on Melasma Severity: A Cross-Sectional Study: Comparing FT4 and TSH on Melasma Severity. Open Access Maced J Med Sci 2021, 9, 426-431.