TY - RPRT TI - Melanin standard method: empirical formula. AU - M R Chedekel AU - B L Murr AU - L Zeise PY - 1992 DO - 10.1111/j.1600-0749.1992.tb00010.x UR - https://pubmed.ncbi.nlm.nih.gov/1409451/ ID - 1409451 ER -